Total responses in 2022 - 443
Total responses in 2021 - 416
Total responses in 2020 - 324
Total responses in 2019 - 354
Total responses in 2018 - 401
Total responses in 2017 - 432
Total responses in 2016 - 372
Total responses in 2015 - 348
Total responses in 2014 - 324
Total responses in 2013 - 264
Total responses in 2012 - 265
Total responses in 2011 - 238