Year	Number of Firms
1992-01-01	99
1997-01-01	148
2002-01-01	150
2003-01-01	166
2004-01-01	155
2005-01-01	154
2006-01-01	168
2007-01-01	206
2008-01-01	201
2009-01-01	214
2010-01-01	223
2011-01-01	228
2012-01-01	224
2013-01-01	217
2014-01-01	198
2015-01-01	190
2016-01-01	193