Year	Number of Firms
1992-01-01	81
1997-01-01	145
2002-01-01	169
2003-01-01	166
2004-01-01	180
2005-01-01	175
2006-01-01	184
2007-01-01	179
2008-01-01	209
2009-01-01	189
2010-01-01	192
2011-01-01	197
2012-01-01	207
2013-01-01	214
2014-01-01	203
2015-01-01	214
2016-01-01	206