1918-19.

1919-20.

1920-21.

Successful primary
vaccinations.

Persons successfully
vaccinated per
1,000 of popula-
tion.

Deaths from small-
pox in 1919.

Ratio of deaths from
small-pox per
1,000 of popula-
tion in 1919.

Successful primary
vaccinations.

Persons successfully
vaccinated per
1,000 of popula-
tion.

Deaths from small-
pox in 1920.

Ratio of deaths from
small-pox per
1,000 of popula-
tion in 1920.

Successful primary
vaccinations.

Persons successfully
vaccinated per
1,000 of popula-
tion.

Deaths from small-
pox in 1921.

Ratio of deaths from
small-pox per
1,000 of popula-
tion in 1921.

4,324

27.66

30

.15

3,864

30.55

15

.07

4,096

24.09

5

.02

27,019

31.85

165

.17

29,498

33.91

107

.11

28,051

31.25

7

.01

25,604

32.32

54

.07

24,401

30.22

3

..

25,218

31.22

1

..

42,228

30.51

185

.12

44,191

30.42

10

.01

46,019

31.13

5

..

33,710

32.18

130

.11

35,827

33.05

6

..

35,251

32.54

..

..

26,571

25.25

405

.35

30,129

26.61

8

.01

29,025

25.28

6

.01

13,197

20.90

93

.14

14,044

21.60

11

.02

15,024

23.35

2

..

18,526

21.11

478

.47

21,584

21.94

5

..

22,385

22.14

16

.02

16,388

20.64

151

.19

18,852

23.68

6

.01

19,641

24.65

5

.01

18,528

21.64

339

.39

20,732

24.04

15

.02

21,685

25.34

4

..

29,440

27.76

88

.08

27,158

26.03

78

.07

25,006

23.67

12

.01

19,694

24.61

28

.03

22,287

27.89

36

.11

21,887

27.55

9

.01

27,198

25.96

991

.94

24,526

23.45

38

.04

23,777

24.29

17

.02

33,051

26.75

205

.16

31,536

25.02

354

.28

32,622

26.12

9

.01

20,386

22.49

148

.16

20,486

22.27

162

.17

21,178

22.68

33

.04

15,065

33.82

73

.15

14,436

34.76

157

.32

14,163

32.35

3

.01

23,589

29.78

240

.27

25,920

29.71

9

.01

24,867

29.11

2

..

17,178

23.49

177

.23

16,937

22.80

4

..

17,490

23.45

..

..

32,199

34.57

836

.73

30,268

29.87

18

.01

34,074

33.04

24

.02

17,762

26.74

12

.02

16,207

24.60

1

..

13,794

20.99

..

..

25,172

17.51

214

.15

31,218

21.72

202

.14

29,031

20.03

224

.16

20,013

40.53

238

.35

19,257

33.77

20

.03

19,778

31.90

5

.01

13,599

36.74

85

.21

11,591

33.17

10

.02

11,967

32.00

10

.02

15,943

38.04

97

.21

12,414

32.20

2

..

12,247

31.14

..

..

17,128

26.75

87

.13

14,442

24.05

80

.12

14,497

23.73

10

.02

27,445

32.23

239

.27

27,743

33.06

227

.26

27,800

33.46

54

.06

27,613

38.23

53

.07

25,986

36.17

93

.13

23,958

33.39

92

.13

36,210

31.81

567

.49

35,894

31.70

272

.23

35,584

31.49

55

.05

20,618

26.30

206

.24

21,641

28.50

1,120

1.33

22,199

27.15

95

.11

24,146

29.00

13

.01

24,223

29.65

38

.04

24,410

29.53

23

.03

89,637

28.08

865

.27

87,821

27.66

1,049

.33

83,929

26.33

96

.03

52,083

29.47

313

.17

53,083

30.06

239

.13

52,544

29.51

54

.03

91,208

21.22

706

.47

43,250

29.48

1,091

.73

42,496

28.88

179

.12

6,516

29.92

20

.06

6,798

36.30

19

.06

6,524

26.41

4

.01

15,911

54.37

43

.08

16,175

53.37

20

.04

16,104

53.48

2

..

14,001

48.75

21

.04

15,478

58.84

3

.01

13,099

57.52

1

..

25,150

37.04

516

.67

17,386

24.18

11

.01

15,834

20.86

6

.01

20,536

22.66

166

.18

21,165

23.64

3

..

22,469

24.90

3

..

24,049

24.06

238

.93

23,010

22.80

8

.01

19,193

18.95

13

.01

32,245

28.77

34

.03

30,182

26.85

38

.04

30,298

26.75

6

..

30,317

27.28

299

.27

28,639

25.81

97

.09

29,879

26.71

29

.03

24,183

25.71

10

.01

23,251

24.80

59

.06

23,870

25.04

9

.01

27,752

25.31

353

.30

27,887

26.60

60

.05

21,913

20.79

58

.05

30,822

22.27

145

.01

82,307

23.25

57

.04

29,813

21.70

8

..

30,049

29.34

373

.36

27,701

27.00

182

.17

27,467

27.00

47

.04

30,626

29.27

101

.10

31,502

30.15

55

.05

31,864

30.42

7

.01

17,390

19.41

81

.09

18,142

20.52

182

.20

18,634

21.32

181

.21

25,135

23.32

85

.08

24,364

22.59

24

.02

24,664

22.80

8

.01

1,217,154

27.84

10,993

.23

l,225,541

27.84

6,354

.13

1,207,318

27.18

1,439

.03

184

..

..

..

112

..

..

..

114

..

..

..

(a)
1,217,355

27.84

10,993

.23

(b)
1,225,694

27.84

6,354

.13

(c)
1,207,457

27.18

1,439

.03

(a) Includes 17 vaccinations performed by other agencies.

(b) „ 41 „ „ „ „

(c) „ 25 „ „ „ „