7b

Table 7b: Annual slate   production, deliveries and stocks (tonnes), Great Britain [notes 1, 2, 6]
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Source: DBT
Year Production: roofing [note 3] Production: cladding and other   [note 4] Production: powder and granules Production: total Deliveries: roofing [note 3] Deliveries: cladding and other   [note 4] Deliveries: powder and granules Deliveries: total [note 5] Stocks: roofing [note 3] Stocks: cladding and other [note   4] Stocks: powder and granules Stocks: total Deliveries of waste for fill and   other uses
2012 [c] 29,634 [c] 59,341 [c] 28,083 [c] 56,696 [c] 1,351 [c] 4,233 607,127
2013 [c] 32,419 [c] 64,294 [c] 31,375 [c] 62,977 [c] [c] 665 4,267 692,319
2014 19,358 30,900 15,467 65,725 18,596 31,268 15,393 65,257 2,925 1,076 739 4,740 620,887
2015 [c] 29,990 [c] 59,715 [c] 29,996 [c] 60,467 2,130 565 794 3,489 534,879
2016 14,668 26,763 13,565 54,996 15,016 26,860 13,874 55,750 1,782 478 1,109 3,369 559,713
2017 14,051 26,221 11,847 52,119 14,423 26,140 11,671 52,234 1,379 559 1,285 3,223 594,954
2018 13,518 27,922 10,661 52,101 13,965 25,578 10,616 50,159 932 998 1,330 3,260 [c]
2019 12,129 30,116 17,263 59,508 12,251 29,856 17,041 59,148 807 [c] [c] 3,667 [c]
2020 [c] 26,401 [c] 52,158 [c] [c] [c] 53,275 [c] [c] [c] 2,550 [c]
2021 [c] 33,134 [c] 58,616 [c] 33,985 [c] 60,293 [c] [c] [c] 2,509 [c]
2022 [c] 28,792 [c] 53,647 [c] 28,803 [c] 53,915 [c] [c] [c] 2,241 [c]
2023 [c] 28,889 [c] 52,878 [c] 28,860 [c] 52,894 [c] [c] [c] 2,225 [c]