Apple CVE List data source: https://support.apple.com/en-us/HT201222 2012, count: 442 2013, count: 343 2014, count: 356 2015, count: 820 2016, count: 608 2017, count: 739 2018, count: 399 2019, count: 454 2020, count: 427 2021, count: 525 2022, count: 491 2023, count: 515