Distribution characteristic files from:
- 2006-2010 received from a private correspondent 2025-08-16
- 2012-2016 received from Blackrock by email 2025-09-02
- 2017-2021 retrieved from Wayback Machine on 2025-08-09
- 2022-2024 retrieved from Blackrock's iShares tax page on 2025-08-09