Table 3 Relative survival rate of female breast cancer by period in Qidong, 1972–2011 (%)

1

87.91

85.54

83.28

84.38

85.77

77.02

82.90

85.19

90.30

2

73.74

73.66

72.86

73.98

73.73

69.92

74.30

79.47

85.06

3

64.39

63.54

66.27

68.35

67.92

63.17

68.72

75.89

81.55

4

58.35

58.85

62.71

61.85

62.57

58.51

65.18

73.06

75.71

5

52.08

56.30

60.43

59.98

60.32

54.62

63.11

69.26

-

6

52.90

54.16

59.07

58.09

57.16

52.64

61.68

67.44

7

48.15

51.51

56.24

55.79

54.53

51.15

60.49

65.70

8

47.05

49.72

52.37

55.24

53.99

50.82

61.16

64.38

9

44.17

49.89

50.33

52.50

54.08

50.47

61.45

65.27

10

43.16

51.13

50.24

50.82

52.92

49.76

60.85

-

11

43.99

51.93

50.14

50.62

52.41

48.70

60.46

12

44.93

49.55

51.10

48.86

51.84

48.32

59.38

13

45.87

49.81

51.02

48.63

52.23

48.97

60.30

14

44.79

50.03

49.88

48.01

51.93

48.67

61.22

15

45.81

49.04

50.97

47.83

51.25

48.22

-

16

44.67

46.78

49.83

48.10

52.35

48.82

17

45.82

46.86

49.85

47.91

52.81

47.47

18

47.05

45.02

49.28

48.11

53.74

48.77

19

45.76

46.38

50.60

48.80

54.77

50.05

20

42.02

45.83

50.77

49.04

55.89

-

21

43.31

43.18

51.66

49.30

57.65

22

44.70

41.10

53.21

50.15

59.66

23

43.43

42.62

54.17

51.62

62.06

24

42.07

41.20

55.22

52.19

64.92

25

40.72

42.18

54.83

52.69

-

26

39.31

44.10

56.66

53.66

27

37.86

44.40

57.18

55.70

28

36.23

45.61

55.41

54.98

29

38.07

44.93

56.99

57.12

30

32.84

46.17

58.68

-

31

34.71

48.56

61.57

32

36.29

46.81

62.74

33

38.08

47.39

63.33

34

40.38

49.38

67.23

35

38.06

49.98

-

36

40.61

53.91

37

43.89

55.24

38

47.55

50.61

39

51.98

43.96

40

56.78

-