Year	Number of Firms
1992-01-01	142
1997-01-01	156
2002-01-01	188
2003-01-01	180
2004-01-01	194
2005-01-01	211
2006-01-01	214
2007-01-01	218
2008-01-01	239
2009-01-01	220
2010-01-01	213
2011-01-01	214
2012-01-01	179
2013-01-01	190
2014-01-01	171
2015-01-01	172
2016-01-01	187