top 7 insurance company in canada

明珠

State Farm Mutual Automobile Insurance Company
Market Share: 11.72%
Rate Filing: +3.08%

3 w# c$ C( N1 FSecurity National Insurance Company( TD)
Market Share: 5.66%
5 q: e5 g: p9 U3 `Rate Filing: +0.80%
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Dominion of Canada General Insurance Company
6 v# C( K8 B: gMarket Share: 4.68%
  D0 k9 N; E1 d1 d# ?% rRate Filing: +2.55%

5 K8 t/ {) y' L1 ~3 jCo-operators General Insurance Company
" u6 F- L, Q. g8 X# `7 eMarket Share: 4.66%
Rate Filing: No change
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Allstate Insurance Company of Canada
/ U3 i: \9 y; E  N3 uMarket Share: 3.04%
Rate Filing: +5.00%
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RBC General Insurance Company
Market Share: 2.80%
Rate Filing: +3.75%
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Farm Mutual Reinsurance Plan Inc.
Market Share: 1.73%
Rate Filing: +5.95%

Touareg

请问，Rate Filing 是什么意思？