Year	Number of Firms
1992-01-01	36
1997-01-01	91
2002-01-01	100
2003-01-01	97
2004-01-01	124
2005-01-01	126
2006-01-01	135
2007-01-01	161
2008-01-01	181
2009-01-01	160
2010-01-01	192
2011-01-01	212
2012-01-01	218
2013-01-01	233
2014-01-01	214
2015-01-01	217
2016-01-01	226