Year	Number of Firms
1992-01-01	114
1997-01-01	177
2002-01-01	171
2003-01-01	180
2004-01-01	208
2005-01-01	217
2006-01-01	217
2007-01-01	230
2008-01-01	250
2009-01-01	214
2010-01-01	269
2011-01-01	282
2012-01-01	259
2013-01-01	251
2014-01-01	270
2015-01-01	256
2016-01-01	267