top 7 insurance company in canada

明珠

State Farm Mutual Automobile Insurance Company
, D! F  t5 w  J- V" K8 c2 e5 [+ v: }Market Share: 11.72%
Rate Filing: +3.08%
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) H/ g0 E% f: m+ U' Q  QSecurity National Insurance Company( TD)
; L+ `( ^  p) g% D- u/ kMarket Share: 5.66%
Rate Filing: +0.80%

Dominion of Canada General Insurance Company
% J: {4 y7 @3 b9 n6 IMarket Share: 4.68%
/ f7 m) b+ ~  m; J; h$ r9 YRate Filing: +2.55%

) S4 o  u8 o6 Y4 R! N& n* y8 eCo-operators General Insurance Company
: x% D1 b# }# k3 V, x+ W. r% GMarket Share: 4.66%
Rate Filing: No change
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Allstate Insurance Company of Canada
0 e$ t8 {5 m2 j& g( M7 AMarket Share: 3.04%
Rate Filing: +5.00%
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% b: J$ o; r: |4 D$ R& B1 uRBC General Insurance Company
: M& z3 u  j7 JMarket Share: 2.80%
+ A. V& U  c! c+ eRate Filing: +3.75%

4 P0 p) z/ M+ k2 vFarm Mutual Reinsurance Plan Inc.
8 g+ |3 I( Y4 [+ O  x; P0 C  Y2 OMarket Share: 1.73%
Rate Filing: +5.95%

Touareg

请问，Rate Filing 是什么意思？