Ann: March 2020 Quarterly Report, page-49

Compare MML to GDXJ and you will find very similar pattern since 2008.
except GDXJ is traded in the largest financial market on earth and MML is in Aus. However as long as all these junior miners do well with elevated gold prices. Money will start pouring in. Most people still believe in SP500/ASX200 as we just had a 10 yr bull run.
As Ray Dalio has stated in his latest interview with bloomberg, a paradigm shift must be realised by all investors. Most people are just not there yet, as always.