Performance Share Awards #umber of Shares 1 ,eighted verage rant Date Fair +alue Nonvested at December 31, 2018 152,451 $ 57.21 Awards granted 58,050 146.1 Awards vested (21,730) 49.9 Awards forfeited (43,924) — Nonvested at December 31, 2019 144,847 $ 94.70 Awards granted 65,840 170.40 Awards vested (48,997) 61.48 Awards forfeited (9,976) — Nonvested at December 31, 2020 151,714 $ 140.96 Awards granted 55,876 162.61 Awards vested (49,792) 130.73 Awards forfeited (16,730) — Nonvested at December 31, 2021 141,068 $ 163.98 (1) For performance share awards, the number of shares is stated at the maximum number that can be attained if the performance conditions are fully met. Forfeitures represent shares forfeited due to vesting below the maximum attainable as a result of the Company not fully meeting the performance conditions. Restricted Stock Awards Employee Restricted Stoc< Hards #on Employee Director Restricted Stoc< Hards )otal Restricted Stoc< Hards #umber of Shares ,eighted verage rant Date Fair +alue #umber of Shares ,eighted verage rant Date Fair +alue #umber of Shares ,eighted verage rant Date Fair +alue Nonvested at December 31, 2018 447,740 $ 130.37 22,534 $ 132.29 470,274 $ 130.46 Awards granted 242,832 146.92 11,444 147.43 254,276 146.94 Awards vested (165,245) 124.71 (12,972) 131.88 (178,217) 125.23 Awards forfeited (14,467) 136.16 — — (14,467) 136.16 Nonvested at December 31, 2019 510,860 $ 139.91 21,006 $ 140.79 531,866 $ 139.94 Awards granted 309,892 145.03 9,970 170.40 319,862 145.82 Awards vested (213,488) 138.35 (10,316) 141.12 (223,804) 138.47 Awards forfeited (14,517) 140.11 — — (14,517) 140.11 Nonvested at December 31, 2020 592,747 $ 143.14 20,660 $ 155.03 613,407 $ 143.54 Awards granted 252,625 167.92 10,452 162.61 263,077 167.71 Awards vested (207,264) 142.52 (10,511) 147.72 (217,775) 142.77 Awards forfeited (14,776) 158.97 — — (14,776) 158.97 Nonvested at December 31, 2021 623,332 $ 153.02 20,601 $ 162.60 643,933 $ 152.32 There were 0.8 million shares available for issuance under the 2016 Long-Term Incentive Plan at December 31, 2021. The aggregate fair value of restricted stock awards, performance share awards and CSRSUs vested during 2021 was $46.3 million ( 2020 – $54.7 million, 2019 – $41.6 million). In connection with share vestings, there F-80