Table:
year
total crime
violent crime
property crime
other criminal code offences

number
rate
percent change in rate from previous year
number
rate
percent change in rate from previous year
number
rate
percent change in rate from previous year
number
rate
percent change in rate from previous year

2006
2,359,804
7,245
-1
451,652
1,387
0
1,566,315
4,809
-2
341,837
1,050
0

2007
2,271,754
6,908
-5
445,252
1,354
-2
1,488,103
4,525
-6
338,399
1,029
-2

2008
2,204,479
6,631
-4
443,608
1,334
-1
1,415,572
4,258
-6
345,299
1,039
1

2009
2,172,809
6,461
-3
444,533
1,322
-1
1,386,184
4,122
-3
342,092
1,017
-2

2010
2,094,338
6,159
-5
439,220
1,292
-2
1,305,150
3,838
-7
349,968
1,029
1

2011
1,984,790
5,779
-6
424,338
1,236
-4
1,214,312
3,536
-8
346,140
1,008
-2

2012
1,957,227
5,632
-3
416,147
1,198
-3
1,193,600
3,435
-3
347,480
1,000
-1

2013
1,826,431
5,195
-8
384,385
1,093
-9
1,106,509
3,147
-8
335,537
954
-5

2014
1,793,612
5,046
-3
370,050
1,041
-5
1,098,399
3,090
-2
325,163
915
-4

2015r
1,867,833
5,210
3
382,115
1,066
2
1,153,700
3,218
4
332,018
926
1

2016
1,895,546
5,224
0
381,594
1,052
-1
1,163,647
3,207
0
350,305
965
4

percent change 2006 to 2016
..
-28
..
..
-24
..
..
-33
..
..
-8
..

Statement: the police-reported violent incidents in 2016 were about 500 fewer than the previous year.
Question: comparing to the previous year how many less police-reported violent incidents happened in 2016?
Answer: [521]