Month	Persons
1968-01-01	490000
1968-02-01	500000
1968-03-01	500000
1968-04-01	390000
1968-05-01	340000
1968-06-01	330000
1968-07-01	400000
1968-08-01	390000
1968-09-01	360000
1968-10-01	320000
1968-11-01	320000
1968-12-01	330000
1969-01-01	440000
1969-02-01	450000
1969-03-01	450000
1969-04-01	380000
1969-05-01	360000
1969-06-01	370000
1969-07-01	350000
1969-08-01	370000
1969-09-01	350000
1969-10-01	300000
1969-11-01	300000
1969-12-01	320000
1970-01-01	410000
1970-02-01	420000
1970-03-01	400000
1970-04-01	400000
1970-05-01	360000
1970-06-01	340000
1970-07-01	350000
1970-08-01	380000
1970-09-01	350000
1970-10-01	380000
1970-11-01	380000
1970-12-01	340000
1971-01-01	450000
1971-02-01	470000
1971-03-01	460000
1971-04-01	410000
1971-05-01	350000
1971-06-01	350000
1971-07-01	370000
1971-08-01	370000
1971-09-01	370000
1971-10-01	400000
1971-11-01	420000
1971-12-01	450000
1972-01-01	620000
1972-02-01	590000
1972-03-01	580000
1972-04-01	530000
1972-05-01	440000
1972-06-01	410000
1972-07-01	450000
1972-08-01	420000
1972-09-01	430000
1972-10-01	390000
1972-11-01	400000
1972-12-01	450000
1973-01-01	530000
1973-02-01	540000
1973-03-01	510000
1973-04-01	500000
1973-05-01	450000
1973-06-01	450000
1973-07-01	420000
1973-08-01	410000
1973-09-01	440000
1973-10-01	380000
1973-11-01	380000
1973-12-01	410000
1974-01-01	550000
1974-02-01	610000
1974-03-01	610000
1974-04-01	450000
1974-05-01	430000
1974-06-01	420000
1974-07-01	420000
1974-08-01	530000
1974-09-01	500000
1974-10-01	550000
1974-11-01	520000
1974-12-01	640000
1975-01-01	760000
1975-02-01	840000
1975-03-01	840000
1975-04-01	740000
1975-05-01	680000
1975-06-01	660000
1975-07-01	650000
1975-08-01	730000
1975-09-01	760000
1975-10-01	760000
1975-11-01	740000
1975-12-01	840000
1976-01-01	1020000
1976-02-01	990000
1976-03-01	940000
1976-04-01	840000
1976-05-01	820000
1976-06-01	800000
1976-07-01	780000
1976-08-01	780000
1976-09-01	760000
1976-10-01	770000
1976-11-01	760000
1976-12-01	730000
1977-01-01	900000
1977-02-01	950000
1977-03-01	930000
1977-04-01	800000
1977-05-01	820000
1977-06-01	830000
1977-07-01	780000
1977-08-01	800000
1977-09-01	790000
1977-10-01	780000
1977-11-01	790000
1977-12-01	880000
1978-01-01	990000
1978-02-01	1080000
1978-03-01	1040000
1978-04-01	960000
1978-05-01	960000
1978-06-01	940000
1978-07-01	880000
1978-08-01	940000
1978-09-01	960000
1978-10-01	930000
1978-11-01	950000
1978-12-01	960000
1979-01-01	1000000
1979-02-01	970000
1979-03-01	1010000
1979-04-01	960000
1979-05-01	870000
1979-06-01	850000
1979-07-01	870000
1979-08-01	890000
1979-09-01	860000
1979-10-01	880000
1979-11-01	890000
1979-12-01	890000
1980-01-01	910000
1980-02-01	880000
1980-03-01	950000
1980-04-01	870000
1980-05-01	840000
1980-06-01	830000
1980-07-01	880000
1980-08-01	890000
1980-09-01	850000
1980-10-01	880000
1980-11-01	980000
1980-12-01	950000
1981-01-01	990000
1981-02-01	1050000
1981-03-01	1060000
1981-04-01	1050000
1981-05-01	1030000
1981-06-01	990000
1981-07-01	940000
1981-08-01	890000
1981-09-01	930000
1981-10-01	970000
1981-11-01	960000
1981-12-01	980000
1982-01-01	1070000
1982-02-01	1030000
1982-03-01	1050000
1982-04-01	1100000
1982-05-01	1040000
1982-06-01	1070000
1982-07-01	1030000
1982-08-01	970000
1982-09-01	1040000
1982-10-01	1100000
1982-11-01	1060000
1982-12-01	1100000
1983-01-01	1320000
1983-02-01	1350000
1983-03-01	1330000
1983-04-01	1300000
1983-05-01	1210000
1983-06-01	1140000
1983-07-01	1130000
1983-08-01	1270000
1983-09-01	1250000
1983-10-01	1180000
1983-11-01	1180000
1983-12-01	1170000
1984-01-01	1290000
1984-02-01	1340000
1984-03-01	1340000
1984-04-01	1290000
1984-05-01	1250000
1984-06-01	1260000
1984-07-01	1200000
1984-08-01	1200000
1984-09-01	1220000
1984-10-01	1240000
1984-11-01	1210000
1984-12-01	1150000
1985-01-01	1240000
1985-02-01	1290000
1985-03-01	1310000
1985-04-01	1220000
1985-05-01	1180000
1985-06-01	1210000
1985-07-01	1130000
1985-08-01	1100000
1985-09-01	1190000
1985-10-01	1200000
1985-11-01	1260000
1985-12-01	1240000
1986-01-01	1340000
1986-02-01	1310000
1986-03-01	1360000
1986-04-01	1350000
1986-05-01	1210000
1986-06-01	1230000
1986-07-01	1260000
1986-08-01	1270000
1986-09-01	1260000
1986-10-01	1240000
1986-11-01	1220000
1986-12-01	1290000
1987-01-01	1420000
1987-02-01	1420000
1987-03-01	1430000
1987-04-01	1460000
1987-05-01	1460000
1987-06-01	1360000
1987-07-01	1190000
1987-08-01	1260000
1987-09-01	1290000
1987-10-01	1240000
1987-11-01	1230000
1987-12-01	1190000
1988-01-01	1330000
1988-02-01	1340000
1988-03-01	1270000
1988-04-01	1180000
1988-05-01	1150000
1988-06-01	1060000
1988-07-01	1120000
1988-08-01	1200000
1988-09-01	1150000
1988-10-01	1130000
1988-11-01	1090000
1988-12-01	1060000
1989-01-01	1140000
1989-02-01	1130000
1989-03-01	1120000
1989-04-01	1120000
1989-05-01	1120000
1989-06-01	1000000
1989-07-01	970000
1989-08-01	1030000
1989-09-01	1030000
1989-10-01	1030000
1989-11-01	1010000
1989-12-01	930000
1990-01-01	1110000
1990-02-01	1040000
1990-03-01	970000
1990-04-01	1020000
1990-05-01	970000
1990-06-01	950000
1990-07-01	900000
1990-08-01	950000
1990-09-01	1040000
1990-10-01	1030000
1990-11-01	940000
1990-12-01	890000
1991-01-01	990000
1991-02-01	960000
1991-03-01	1040000
1991-04-01	1070000
1991-05-01	980000
1991-06-01	940000
1991-07-01	950000
1991-08-01	990000
1991-09-01	1020000
1991-10-01	970000
1991-11-01	950000
1991-12-01	910000
1992-01-01	1070000
1992-02-01	1010000
1992-03-01	1010000
1992-04-01	980000
1992-05-01	1010000
1992-06-01	980000
1992-07-01	960000
1992-08-01	1000000
1992-09-01	1080000
1992-10-01	1090000
1992-11-01	1100000
1992-12-01	1060000
1993-01-01	1130000
1993-02-01	1160000
1993-03-01	1140000
1993-04-01	1110000
1993-05-01	1220000
1993-06-01	1140000
1993-07-01	1140000
1993-08-01	1200000
1993-09-01	1260000
1993-10-01	1290000
1993-11-01	1320000
1993-12-01	1310000
1994-01-01	1420000
1994-02-01	1490000
1994-03-01	1440000
1994-04-01	1350000
1994-05-01	1370000
1994-06-01	1360000
1994-07-01	1360000
1994-08-01	1500000
1994-09-01	1500000
1994-10-01	1490000
1994-11-01	1420000
1994-12-01	1380000
1995-01-01	1510000
1995-02-01	1500000
1995-03-01	1530000
1995-04-01	1530000
1995-05-01	1560000
1995-06-01	1500000
1995-07-01	1460000
1995-08-01	1540000
1995-09-01	1610000
1995-10-01	1650000
1995-11-01	1650000
1995-12-01	1640000
1996-01-01	1750000
1996-02-01	1650000
1996-03-01	1590000
1996-04-01	1690000
1996-05-01	1750000
1996-06-01	1650000
1996-07-01	1630000
1996-08-01	1700000
1996-09-01	1660000
1996-10-01	1710000
1996-11-01	1660000
1996-12-01	1630000
1997-01-01	1680000
1997-02-01	1750000
1997-03-01	1660000
1997-04-01	1680000
1997-05-01	1790000
1997-06-01	1700000
1997-07-01	1690000
1997-08-01	1760000
1997-09-01	1790000
1997-10-01	1820000
1997-11-01	1780000
1997-12-01	1700000
1998-01-01	1820000
1998-02-01	1880000
1998-03-01	2020000
1998-04-01	2170000
1998-05-01	2220000
1998-06-01	2190000
1998-07-01	2090000
1998-08-01	2320000
1998-09-01	2300000
1998-10-01	2280000
1998-11-01	2300000
1998-12-01	2160000
1999-01-01	2350000
1999-02-01	2430000
1999-03-01	2530000
1999-04-01	2590000
1999-05-01	2530000
1999-06-01	2540000
1999-07-01	2470000
1999-08-01	2470000
1999-09-01	2420000
1999-10-01	2430000
1999-11-01	2310000
1999-12-01	2280000
2000-01-01	2530000
2000-02-01	2610000
2000-03-01	2630000
2000-04-01	2710000
2000-05-01	2560000
2000-06-01	2480000
2000-07-01	2430000
2000-08-01	2430000
2000-09-01	2500000
2000-10-01	2460000
2000-11-01	2410000
2000-12-01	2330000
2001-01-01	2530000
2001-02-01	2550000
2001-03-01	2630000
2001-04-01	2720000
2001-05-01	2680000
2001-06-01	2650000
2001-07-01	2610000
2001-08-01	2630000
2001-09-01	2790000
2001-10-01	2830000
2001-11-01	2890000
2001-12-01	2800000
2002-01-01	2790000
2002-02-01	2840000
2002-03-01	2950000
2002-04-01	2950000
2002-05-01	3000000
2002-06-01	2950000
2002-07-01	2820000
2002-08-01	2870000
2002-09-01	2990000
2002-10-01	3020000
2002-11-01	2820000
2002-12-01	2770000
2003-01-01	2950000
2003-02-01	2830000
2003-03-01	2960000
2003-04-01	3010000
2003-05-01	2970000
2003-06-01	2880000
2003-07-01	2780000
2003-08-01	2650000
2003-09-01	2830000
2003-10-01	2830000
2003-11-01	2730000
2003-12-01	2470000
2004-01-01	2640000
2004-02-01	2690000
2004-03-01	2580000
2004-04-01	2630000
2004-05-01	2530000
2004-06-01	2490000
2004-07-01	2560000
2004-08-01	2500000
2004-09-01	2480000
2004-10-01	2540000
2004-11-01	2380000
2004-12-01	2230000
2005-01-01	2490000
2005-02-01	2550000
2005-03-01	2490000
2005-04-01	2430000
2005-05-01	2470000
2005-06-01	2290000
2005-07-01	2350000
2005-08-01	2290000
2005-09-01	2320000
2005-10-01	2490000
2005-11-01	2420000
2005-12-01	2170000
2006-01-01	2450000
2006-02-01	2300000
2006-03-01	2290000
2006-04-01	2260000
2006-05-01	2240000
2006-06-01	2220000
2006-07-01	2180000
2006-08-01	2220000
2006-09-01	2270000
2006-10-01	2300000
2006-11-01	2210000
2006-12-01	2080000
2007-01-01	2160000
2007-02-01	2190000
2007-03-01	2270000
2007-04-01	2190000
2007-05-01	2110000
2007-06-01	1950000
2007-07-01	1940000
2007-08-01	2010000
2007-09-01	2160000
2007-10-01	2240000
2007-11-01	2040000
2007-12-01	1910000
2008-01-01	2170000
2008-02-01	2250000
2008-03-01	2230000
2008-04-01	2280000
2008-05-01	2250000
2008-06-01	2230000
2008-07-01	2130000
2008-08-01	2250000
2008-09-01	2220000
2008-10-01	2170000
2008-11-01	2160000
2008-12-01	2340000
2009-01-01	2370000
2009-02-01	2510000
2009-03-01	2730000
2009-04-01	2890000
2009-05-01	2930000
2009-06-01	2970000
2009-07-01	3020000
2009-08-01	3080000
2009-09-01	3080000
2009-10-01	2930000
2009-11-01	2850000
2009-12-01	2720000
2010-01-01	2790000
2010-02-01	2770000
2010-03-01	2860000
2010-04-01	3020000
2010-05-01	2890000
2010-06-01	2830000
2010-07-01	2820000
2010-08-01	2900000
2010-09-01	2920000
2010-10-01	2850000
2010-11-01	2710000
2010-12-01	2590000
2011-01-01	2710000
2011-02-01	2630000
2011-03-01	2680000
2011-04-01	2760000
2011-05-01	2680000
2011-06-01	2700000
2011-07-01	2690000
2011-08-01	2510000
2011-09-01	2400000
2011-10-01	2490000
2011-11-01	2390000
2011-12-01	2350000
2012-01-01	2500000
2012-02-01	2450000
2012-03-01	2540000
2012-04-01	2610000
2012-05-01	2520000
2012-06-01	2480000
2012-07-01	2430000
2012-08-01	2350000
2012-09-01	2390000
2012-10-01	2320000
2012-11-01	2270000
2012-12-01	2280000
2013-01-01	2400000
2013-02-01	2450000
2013-03-01	2390000
2013-04-01	2410000
2013-05-01	2390000
2013-06-01	2260000
2013-07-01	2230000
2013-08-01	2340000
2013-09-01	2230000
2013-10-01	2300000
2013-11-01	2160000
2013-12-01	1980000
2014-01-01	2080000
2014-02-01	2040000
2014-03-01	2050000
2014-04-01	2170000
2014-05-01	2060000
2014-06-01	2070000
2014-07-01	2130000
2014-08-01	2020000
2014-09-01	2040000
2014-10-01	2050000
2014-11-01	1880000
2014-12-01	1810000
2015-01-01	1980000
2015-02-01	1970000
2015-03-01	1970000
2015-04-01	2020000
2015-05-01	1930000
2015-06-01	1940000
2015-07-01	1930000
2015-08-01	1960000
2015-09-01	1980000
2015-10-01	1810000
2015-11-01	1850000
2015-12-01	1810000
2016-01-01	1860000
2016-02-01	1850000
2016-03-01	1800000
2016-04-01	1930000
2016-05-01	1870000
2016-06-01	1810000
2016-07-01	1780000
2016-08-01	1830000
2016-09-01	1770000
2016-10-01	1690000
2016-11-01	1760000
2016-12-01	1700000
2017-01-01	1740000
2017-02-01	1670000
2017-03-01	1610000
2017-04-01	1660000
2017-05-01	1790000
2017-06-01	1650000
2017-07-01	1640000
2017-08-01	1630000
2017-09-01	1630000
2017-10-01	1580000
2017-11-01	1580000
2017-12-01	1520000
2018-01-01	1410000
2018-02-01	1440000
2018-03-01	1480000
2018-04-01	1560000
2018-05-01	1360000
2018-06-01	1440000
2018-07-01	1490000
2018-08-01	1460000
2018-09-01	1420000