Year	Number of Firms
1992-01-01	17
1997-01-01	47
2002-01-01	63
2003-01-01	88
2004-01-01	91
2005-01-01	104
2006-01-01	112
2007-01-01	162
2008-01-01	249
2009-01-01	163
2010-01-01	174
2011-01-01	186
2012-01-01	187
2013-01-01	192
2014-01-01	217
2015-01-01	214
2016-01-01	220