In 2020, how much (in terms of percentage) did secondary offerings in London Stock Exchange increase as compared with 2019?

ID : 1295
Long answer : 60% (Source:https://www.bakermckenzie.com/en/insight/publications/2020/12/ipo-report-2020)
Short answer : 60%
answer 2 : 10%
answer 3 : 40%
answer 4 : 77%