年份

A

B

C

D

2017

57.4

71.3

64.6

72.8

2018

61.7

65.2

52.5

55.8

2019

66.8

63.6

73.2

67.2

2020

52.3

44.8

63.9

68.5

2021

52.7

77.7

58.6

51.7