top 7 insurance company in canada

明珠

State Farm Mutual Automobile Insurance Company
$ j* Z% j0 X0 [& l% h. B5 pMarket Share: 11.72%
2 Z8 {" U: c* a3 @4 L  c: W& b  x5 dRate Filing: +3.08%

Security National Insurance Company( TD)
# ]5 e+ |6 H) c9 q; I+ b7 tMarket Share: 5.66%
Rate Filing: +0.80%
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( M  g/ F7 s- K" \# o( a- y2 i5 gDominion of Canada General Insurance Company
Market Share: 4.68%
9 H; z" b9 r0 S6 V  Q& mRate Filing: +2.55%
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Co-operators General Insurance Company
' o' w1 D0 D% h+ I" JMarket Share: 4.66%
Rate Filing: No change
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6 P# f5 z; w$ b' c1 ^Allstate Insurance Company of Canada
( L: E) Y' [* g6 j' u3 MMarket Share: 3.04%
Rate Filing: +5.00%

RBC General Insurance Company
Market Share: 2.80%
Rate Filing: +3.75%
2 d0 x. R7 \- Y  H0 V( I, o
5 s7 u4 ~4 G/ @5 N" s0 P# c2 }Farm Mutual Reinsurance Plan Inc.
2 u" Y$ H) Q3 a% A7 a5 \2 @Market Share: 1.73%
/ F. [* h& \- @( J3 i2 dRate Filing: +5.95%

Touareg

请问，Rate Filing 是什么意思？