top 7 insurance company in canada

明珠

State Farm Mutual Automobile Insurance Company
$ j4 B0 E5 D3 ~& a4 wMarket Share: 11.72%
( v! q. H4 v; `2 t  z0 WRate Filing: +3.08%

Security National Insurance Company( TD)
; N- _0 Y: a5 M5 D$ e! zMarket Share: 5.66%
4 x( }" T8 R6 f& WRate Filing: +0.80%

. v4 @# W9 V4 {+ G# W+ IDominion of Canada General Insurance Company
0 j  n4 {; w' X/ M% K! b) R8 F# MMarket Share: 4.68%
( ]6 S# N; m4 u" r. ?1 T( TRate Filing: +2.55%
% o; @7 a9 I# R3 w6 s
9 T2 F6 r! }2 gCo-operators General Insurance Company
Market Share: 4.66%
Rate Filing: No change

  w6 {; g# q) K: AAllstate Insurance Company of Canada
% P, N* w3 |" tMarket Share: 3.04%
. t' r) H. I# x; l8 l8 y8 e( \Rate Filing: +5.00%

RBC General Insurance Company
; D' g% U& T( f9 Z* K0 r* a& ^Market Share: 2.80%
Rate Filing: +3.75%
" G4 E# i  [; x  F0 w% q
9 o" i. V; }" cFarm Mutual Reinsurance Plan Inc.
: m& L. X' k4 ^# n; QMarket Share: 1.73%
9 E/ B9 n8 b) @& b2 BRate Filing: +5.95%

Touareg

请问，Rate Filing 是什么意思？