Established reserves of natural gas liquids (Thousand cubic metres)
| 1970 | 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
| Manitoba | 0,0 | 72,0 | | | | | | | | | 0,0 | | | | | | | |
| Saskatchewan | 1 926,0 | 1 976,0 | 1 290,0 | 1 098,0 | | | | | | | | | | | | | | |
| Alberta | 350 700,0 | 637 300,0 | 398 700,0 | 289 500,0 | 261 300,0 | 254 500,0 | 251 900,0 | 256 300,0 | 247 900,0 | 238 700,0 | 206 900,0 | 215 000,0 | 227 400,0 | 221 700,0 | 220 900,0 | 207 000,0 | 203 700,0 | 221 700,0 |
| British Columbia | 17 762,0 | 10 370,0 | 17 544,0 | 20 068,0 | 40 000,0 | 41 800,0 | 60 200,0 | 74 400,0 | 107 500,0 | 124 800,0 | 135 100,0 | 166 200,0 | 191 400,0 | 191 800,0 | 228 694,0 | 266 600,0 | 321 900,0 | 327 100,0 |