year population
1880 	33426 		
1890 	32052 		
1900 	63592 		
1910 	64356 		
1920 	55036 		
1930 	59278 		
1940 	72524 		
1950 	128643 	
1960 	226167 	
1970 	300382 	
1980 	401851 	
1990 	550043 	
2000 	626932 	
2010 	710231