3 ms·CAGR from 1961 (beginning of data) to 1971 (gold standard) - 4.2% CAGR from 1971 to 2018 - 5.5%by moorhosj 8y agoCAGR from 1961 (beginning of data) to 1971 (gold standard) - 4.2% CAGR from 1971 to 2018 - 5.5%