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Table 6 Relative Growth Rates and Doubling Times

From: Insight into the characteristics of research published in traditional, complementary, alternative, and integrative medicine journals: a bibliometric analysis

Year

Number of Publications

Cumulative Total

W1

W2

Relative Growth Rate

Doubling Time

1938

13

13

2.57

1939

10

23

2.57

3.14

0.57

1.21

1940

12

35

3.14

3.56

0.42

1.65

1941

14

49

3.56

3.89

0.34

2.06

1942

12

61

3.89

4.11

0.22

3.16

1943

16

77

4.11

4.34

0.23

2.97

1944

12

89

4.34

4.49

0.14

4.78

1945

52

141

4.49

4.95

0.46

1.51

1946

134

275

4.95

5.62

0.67

1.04

1947

162

437

5.62

6.08

0.46

1.50

1948

125

562

6.08

6.33

0.25

2.75

1949

93

655

6.33

6.49

0.15

4.52

1950

170

825

6.49

6.72

0.23

3.00

1951

153

978

6.72

6.89

0.17

4.07

1952

167

1145

6.89

7.04

0.16

4.40

1953

164

1309

7.04

7.18

0.13

5.18

1954

132

1441

7.18

7.27

0.10

7.21

1955

142

1583

7.27

7.37

0.09

7.37

1956

159

1742

7.37

7.46

0.10

7.24

1957

181

1923

7.46

7.56

0.10

7.01

1958

180

2103

7.56

7.65

0.09

7.74

1959

190

2293

7.65

7.74

0.09

8.01

1960

197

2490

7.74

7.82

0.08

8.41

1961

248

2738

7.82

7.92

0.09

7.30

1962

274

3012

7.92

8.01

0.10

7.27

1963

251

3263

8.01

8.09

0.08

8.66

1964

279

3542

8.09

8.17

0.08

8.45

1965

286

3828

8.17

8.25

0.08

8.92

1966

263

4091

8.25

8.32

0.07

10.43

1967

310

4401

8.32

8.39

0.07

9.49

1968

369

4770

8.39

8.47

0.08

8.61

1969

284

5054

8.47

8.53

0.06

11.98

1970

340

5394

8.53

8.59

0.07

10.64

1971

423

5817

8.59

8.67

0.08

9.18

1972

362

6179

8.67

8.73

0.06

11.48

1973

408

6587

8.73

8.79

0.06

10.84

1974

469

7056

8.79

8.86

0.07

10.07

1975

576

7632

8.86

8.94

0.08

8.83

1976

520

8152

8.94

9.01

0.07

10.51

1977

492

8644

9.01

9.07

0.06

11.82

1978

408

9052

9.07

9.11

0.05

15.02

1979

734

9786

9.11

9.19

0.08

8.89

1980

591

10377

9.19

9.25

0.06

11.82

1981

776

11153

9.25

9.32

0.07

9.61

1982

785

11938

9.32

9.39

0.07

10.19

1983

746

12684

9.39

9.45

0.06

11.43

1984

727

13411

9.45

9.50

0.06

12.43

1985

774

14185

9.50

9.56

0.06

12.35

1986

870

15055

9.56

9.62

0.06

11.64

1987

923

15978

9.62

9.68

0.06

11.65

1988

846

16824

9.68

9.73

0.05

13.43

1989

1060

17884

9.73

9.79

0.06

11.34

1990

1628

19512

9.79

9.88

0.09

7.95

1991

1544

21056

9.88

9.96

0.08

9.10

1992

1545

22601

9.96

10.03

0.07

9.79

1993

1720

24321

10.03

10.10

0.07

9.45

1994

1475

25796

10.10

10.16

0.06

11.77

1995

1865

27661

10.16

10.23

0.07

9.93

1996

1800

29461

10.23

10.29

0.06

10.99

1997

1877

31338

10.29

10.35

0.06

11.22

1998

1982

33320

10.35

10.41

0.06

11.30

1999

2089

35409

10.41

10.48

0.06

11.40

2000

2330

37739

10.48

10.54

0.06

10.87

2001

2499

40238

10.54

10.60

0.06

10.81

2002

2751

42989

10.60

10.67

0.07

10.48

2003

2802

45791

10.67

10.73

0.06

10.97

2004

3061

48852

10.73

10.80

0.06

10.71

2005

3908

52760

10.80

10.87

0.08

9.00

2006

4637

57397

10.87

10.96

0.08

8.23

2007

5310

62707

10.96

11.05

0.09

7.83

2008

6216

68923

11.05

11.14

0.09

7.33

2009

6582

75505

11.14

11.23

0.09

7.60

2010

7088

82593

11.23

11.32

0.09

7.72

2011

8691

91284

11.32

11.42

0.10

6.93

2012

8194

99478

11.42

11.51

0.09

8.06

2013

8920

108398

11.51

11.59

0.09

8.07

2014

8642

117040

11.59

11.67

0.08

9.03

2015

8825

125865

11.67

11.74

0.07

9.53

2016

8930

134795

11.74

11.81

0.07

10.11

2017

8471

143266

11.81

11.87

0.06

11.37

2018

8212

151478

11.87

11.93

0.06

12.43

2019

8471

159949

11.93

11.98

0.05

12.73

2020

9591

169540

11.98

12.04

0.06

11.90