Year,Value,China (Country),Temp,Dec-Feb,(°F)
1941,20.831
1942,20.161
1943,19.839
1944,20.549
1945,14.764
1946,21.891
1947,19.492
1948,19.606
1949,22.264
1950,19.777
1951,18.475
1952,20.874
1953,17.937
1954,20.216
1955,16.116
1956,19.686
1957,15.729
1958,19.497
1959,20.896
1960,21.029
1961,19.113
1962,18.982
1963,19.606
1964,17.758
1965,20.829
1966,19.876
1967,17.638
1968,15.763
1969,18.235
1970,19.142
1971,19.225
1972,19.063
1973,20.268
1974,18.768
1975,18.964
1976,20.261
1977,16.976
1978,18.493
1979,21.927
1980,19.747
1981,20.081
1982,20.652
1983,18.545
1984,18.011
1985,18.479
1986,19.133
1987,21.942
1988,20.869
1989,21.092
1990,21.416
1991,21.396
1992,20.459
1993,21.45
1994,20.914
1995,20.991
1996,19.788
1997,21.103
1998,21.012
1999,23.709
2000,19.561
2001,21.003
2002,22.827
2003,21.465
2004,21.852
2005,20.134
2006,21.195
2007,23.257
2008,19.694
2009,23.368
2010,21.201
2011,19.446
2012,18.982
2013,20.015
2014,21.399
2015,22.397
2016,21.232
2017,24.578
2018,21.424
2019,20.671
2020,22.548
2021,22.605
2022,20.651
2023,22.155
2024,21.867
2025,22.33