Year,Value,China (Country),Temp,Apr,(°C)
1940,5.624
1941,6.989
1942,7.846
1943,7.228
1944,7.132
1945,7.939
1946,8.577
1947,8.118
1948,8.812
1949,8.152
1950,6.996
1951,5.577
1952,8.073
1953,6.586
1954,7.753
1955,5.414
1956,7.687
1957,6.734
1958,8.323
1959,8.124
1960,6.643
1961,8.304
1962,6.88
1963,6.866
1964,8.667
1965,7.049
1966,6.763
1967,7.04
1968,7.023
1969,7.674
1970,6.777
1971,7.985
1972,6.927
1973,8.34
1974,8.286
1975,7.842
1976,6.517
1977,7.478
1978,8.088
1979,7.172
1980,6.88
1981,8.384
1982,7.227
1983,6.803
1984,7.551
1985,8.052
1986,6.911
1987,7.762
1988,7.452
1989,7.301
1990,6.693
1991,7.238
1992,8.471
1993,7.464
1994,8.465
1995,6.883
1996,6.892
1997,8.076
1998,9.725
1999,8.949
2000,7.921
2001,7.714
2002,8.406
2003,8.265
2004,9.527
2005,8.595
2006,7.923
2007,8.524
2008,8.838
2009,9.569
2010,6.608
2011,8.508
2012,8.789
2013,7.838
2014,9.016
2015,8.503
2016,9.557
2017,9.126
2018,9.376
2019,9.665
2020,8.285
2021,7.889
2022,9.409
2023,8.213
2024,10.048
2025,10.021