"Agriculture is New York‘s most important industry. The farm economy generated $4.45 billion in 2008." It goes on to cite New York's 35,000 farms
From this site
New York's gross state product in 2001 was $826.5 billion, 2nd only to California, to which financial services contributed $282.9 billion; general services, $190.2 billion; trade, $103.5 billion; government, $81.2 billion; manufacturing, $77.7 billion; transportation and public utilities, $59.3 billion, and construction, $17.4 billion. The public sector in 2001 constituted 9.8% of gross state product, tied with New Jersey for the 5th-lowest percent among the states where the average was 12%.