[2] As of 2015[update], Coimbatore has more than 700 wet grinder manufacturers with a monthly output 75,000 units[3] per every 100,000 produced in India.[5] Batter is used extensively in South Indian cuisine for preparation of popular dishes such as dosa, idly, vada, appam and paniyaram.[15][17] As the product was invented in the city, Coimbatore naturally emerged as a center for the manufacture of wet grinders.[13] The city contributes to about 75% of the 1 lakh total monthly output of wet grinders in India.[18] The industry grew over ten times in the last few years due to procurement of nearly 22.5 million[citation needed] wet grinders by the Government of Tamil Nadu for free distribution to green family card holders.