Saskatchewan included: Christianity (621,250 persons or 56.3%) Irreligion (403,960 persons or 36.6%) Islam (25,455 persons or 2.3%) Indigenous Spirituality (16,300 persons or 1.5%) Hinduism (14,150 persons or 1.3%) Sikhism (9,040 persons or 0.8%) Buddhism (4,410 persons or 0.4%) Judaism (1,105 persons or 0.1%) Other (7,540 persons or 0.7%) Economy Historically, Saskatchewan's economy was primarily associated with agriculture, with wheat being the precious symbol on the province's flag. Increasing diversification has resulted in agriculture, forestry, fishing, and hunting only making up 8.9% of the province's GDP in 2018. Saskatchewan grows a large portion of Canada's grain. In 2017, the production of canola surpassed the production of wheat, which is Saskatchewan's most familiar crop and the one most often associated with the province. The total net income from farming was $3.3 billion in 2017, which was $0.9 billion less than the income in 2016. Other grains such as flax, rye, oats, peas, lentils, canary seed, and barley are also produced in the province. Saskatchewan is the world's largest exporter of mustard seed. Beef cattle production by a Canadian province is only exceeded by Alberta. In the northern part of the province, forestry is also a significant industry. Mining is a major industry in the province, with Saskatchewan being the world's largest exporter of potash and uranium. Oil and natural gas production is also a very important part of Saskatchewan's economy, although the oil industry is larger. Among Canadian provinces, only Alberta exceeds Saskatchewan in overall oil production. Heavy crude is extracted in the Lloydminster-Kerrobert-Kindersley areas. Light crude is found in the Kindersley-Swift Current areas as well as the Weyburn-Estevan fields. Natural gas is found almost entirely in the western part of Saskatchewan, from the Primrose Lake area through Lloydminster, Unity, Kindersley, Leader, and around Maple Creek areas. A list of the companies includes The Potash Corporation of Saskatchewan (defunct in December 2017), Federated Cooperatives Ltd. and IPSCO. Major Saskatchewan-based Crown corporations are Saskatchewan Government Insurance (SGI), SaskTel, SaskEnergy (the province's main supplier of natural gas), and SaskPower. Bombardier runs the NATO Flying Training Centre at 15 Wing, near Moose Jaw. Bombardier was awarded a long-term contract in the late 1990s for $2.8 billion from the federal government for the purchase of military aircraft and the running of the training facility. SaskPower since 1929 has been the principal supplier of electricity in Saskatchewan, serving more than 451,000 customers and managing $4.5 billion in