ປະລິມານນ້ຳຝົນປະຈຳປີ (ມມ)

ປີ ປະລິມານນ້ຳຝົນປະຈຳປີ (ມມ)
1990 1,347.67
1991 1,346.52
1992 1,354.71
1993 1,302.75
1994 1,722.96
1995 1,585.07
1996 1,950.38
1997 1,769.94
1998 1,464.41
1999 1,912.83
2000 1,944.72
2001 1,904.76
2002 2,097.77
2003 1,670.18
2004 1,837.37
2005 2,074.68
2006 1,946.89
2007 1,699.02
2008 2,123.80
2009 1,767.69
2010 1,705.31
2011 2,162.75
2012 1,794.66
2013 2,091.56
2014 1,977.46
2015 1,781.73
2016 1,797.09
2017 1,877.92
2018 2,089.48
2019 1,498.34
2020 1,508.96
2021 1,744.22
2022 1,787.94