The average GDP in California during 1997- 2021 is:

observation_date	NYRGSP	CARGSP
1997-01-01	977797.9	1378276.5
1998-01-01	997251.9	1468730.8
1999-01-01	1051337.6	1574305.9
2000-01-01	1092188.2	1696172.4
2001-01-01	1112794.4	1692324.1
2002-01-01	1106150.8	1722522.4
2003-01-01	1110613.1	1789998.5
2004-01-01	1144125.1	1850904.5
2005-01-01	1168891.1	1926842.1
2006-01-01	1199276.9	2002437.4
2007-01-01	1208564.6	2041192.2
2008-01-01	1190080.9	2061638.8
2009-01-01	1230672.3	1995439.7
2010-01-01	1277466.8	2036015.0
2011-01-01	1279527.1	2063827.5
2012-01-01	1328233.5	2113096.4
2013-01-01	1329376.3	2179229.0
2014-01-01	1353410.4	2256054.7
2015-01-01	1373643.0	2357452.9
2016-01-01	1403230.5	2427894.6
2017-01-01	1419112.1	2538204.0
2018-01-01	1458382.4	2644061.2
2019-01-01	1500833.4	2729225.8
2020-01-01	1432507.0	2667220.9
2021-01-01	1514779.2	2874730.8