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| Source:   DBT for roofing tiles data and Mineral Products Association for ready-mixed   concrete data | 
| Year | Quarter | Concrete roofing tiles production | Concrete roofing tiles deliveries | Concrete roofing tiles stocks | Ready-mixed concrete deliveries | Seasonally adjusted ready-mixed   concrete deliveries [note 3, 4] | 
| 2011 | Q1 | 4,820 | 4,079 | 3,858 | 3,827 | 3,938 | 
| 2011 | Q2 | 4,565 | 4,398 | 4,022 | 3,907 | 3,835 | 
| 2011 | Q3 | 4,210 | 4,901 | 3,316 | 3,908 | 3,721 | 
| 2011 | Q4 | 4,116 | 4,306 | 3,126 | 3,479 | 3,627 | 
| 2012 | Q1 | 4,673 | 3,928 | 3,872 | 3,463 | 3,557 | 
| 2012 | Q2 | 4,236 | 4,100 | 4,008 | 3,399 | 3,333 | 
| 2012 | Q3 | 4,095 | 5,004 | 3,136 | 3,556 | 3,380 | 
| 2012 | Q4 | 4,471 | 4,547 | 3,061 | 3,340 | 3,487 | 
| 2013 | Q1 | 4,514 | 4,055 | 3,520 | 3,325 | 3,619 | 
| 2013 | Q2 | 4,209 | 4,598 | 3,131 | 4,108 | 3,830 | 
| 2013 | Q3 | 4,550 | 5,468 | 2,214 | 3,972 | 3,781 | 
| 2013 | Q4 | 5,471 | 5,459 | 2,214 | 3,684 | 3,859 | 
| 2014 | Q1 | 6,151 | 5,414 | 2,932 | 3,475 | 3,582 | 
| 2014 | Q2 | 6,195 | 5,491 | 3,687 | 3,977 | 3,923 | 
| 2014 | Q3 | 5,815 | 6,238 | 3,261 | 4,183 | 3,967 | 
| 2014 | Q4 | 5,925 | 5,915 | 3,275 | 3,713 | 3,877 | 
| 2015 | Q1 | 6,547 | 5,400 | 4,422 | 4,035 | 4,160 | 
| 2015 | Q2 | 6,296 | 5,843 | 4,875 | 3,992 | 3,933 | 
| 2015 | Q3 | 5,697 | 6,420 | 4,152 | 4,225 | 3,988 | 
| 2015 | Q4 | 6,565 | 6,812 | 3,904 | 4,042 | 4,214 | 
| 2016 | Q1 | 6,323 | 5,837 | 4,391 | 4,045 | 4,439 | 
| 2016 | Q2 | 6,082 | 6,292 | 4,185 | 4,662 | 4,357 | 
| 2016 | Q3 | 5,857 | 6,912 | 3,129 | 4,739 | 4,476 | 
| 2016 | Q4 | 6,352 | 6,792 | 2,689 | 4,223 | 4,397 | 
| 2017 | Q1 | 7,050 | 6,772 | 2,968 | 4,217 | 4,397 | 
| 2017 | Q2 | 6,754 | 6,862 | 2,860 | 4,461 | 4,398 | 
| 2017 | Q3 | 6,546 | 6,665 | 2,740 | 4,517 | 4,250 | 
| 2017 | Q4 | 5,761 | 5,442 | 2,492 | 4,013 | 4,164 | 
| 2018 | Q1 | 7,817 | 5,742 | 5,143 | 3,652 | 4,064 | 
| 2018 | Q2 | 4,828 | 6,221 | 4,444 | 4,546 | 4,234 | 
| 2018 | Q3 | 6,884 | 7,280 | 5,367 | 4,616 | 4,362 | 
| 2018 | Q4 | 7,402 | 6,866 | 5,903 | 4,245 | 4,400 | 
| 2019 | Q1 | 6,963 | 6,961 | 5,905 | 4,011 | 4,236 | 
| 2019 | Q2 | 5,364 | 5,512 | 4,239 | 4,200 | 4,101 | 
| 2019 | Q3 | 6,000 | 7,844 | 3,914 | 4,381 | 4,131 | 
| 2019 | Q4 | 6,907 | 5,926 | 3,954 | 3,835 | 3,958 | 
| 2020 | Q1 | 6,969 | 5,824 | 3,245 | 3,540 | 3,723 | 
| 2020 | Q2 | 2,612 | 3,867 | 3,258 | 2,490 | 2,406 | 
| 2020 | Q3 | 6,078 | 6,173 | 3,031 | 3,823 | 3,604 | 
| 2020 | Q4 | 5,546 | 6,191 | 2,233 | 3,586 | 3,708 | 
| 2021 | Q1 | 7,090 | 6,767 | 2,430 | 3,585 | 3,764 | 
| 2021 | Q2 | 6,660 | 6,740 | 2,345 | 4,111 | 3,988 | 
| 2021 | Q3 | 6,205 | 6,227 | 2,309 | 3,987 | 3,781 | 
| 2021 | Q4 | 6,390 | 6,240 | 2,417 | 3,646 | 3,796 | 
| 2022 | Q1 | 7,020 | 6,739 | 2,634 | 3,707 | 3,881 | 
| 2022 | Q2 | 6,478 | 6,833 | 2,499 | 3,890 | 3,768 | 
| 2022 | Q3 | 4,445 | 4,494 | 1,989 | 3,867 | 3,731 | 
| 2022 | Q4 | 6,473 | 5,323 | 3,697 | 3,288 | 3,487 | 
| 2023 | Q1 | 6,450 | 5,061 | 5,041 | 3,578 | 3,723 | 
| 2023 | Q2 | 7,232 | 6,467 | 5,702 | 3,845 | 3,616 | 
| 2023 | Q3 | 8,866 | 9,947 | 4,375 | 3,415 | 3,304 | 
| 2023 | Q4 | 4,612 | 5,352 | 3,491 | 2,998 | 3,195 | 
| 2024 | Q1 | 5,500 | 4,404 | 4,539 | 2,787 | 3,087 |