year,net_units_authorized,new_construction_completed,units_demolished,net_units_from_alterations,net_change_units
2006,4275,1358,45,285,1598
2007,3133,2084,37,472,2519
2008,2355,2142,60,188,2270
2009,288,2639,31,469,3077
2010,314,2737,56,282,2963
2011,2412,809,33,-7,769
2012,2500,289,141,345,493
2013,3221,1859,431,240,1668
2014,5176,2533,95,100,2538
2015,3605,2497,26,131,2602
2016,2606,2169,23,814,2960
2017,4560,4972,24,376,5324
2018,4343,3678,50,340,3968
2019,3975,4449,142,363,4670
2020,3102,4996,352,439,5083
2021,1835,4165,12,468,4621
2022,2898,2244,98,635,2781
2023,2997,2059,13,498,2544
2024,1031,1457,132,278,1603
2025,1900,2406,6,269,2669