log using means,replace set maxvar 74 width 104 set more 1 * Read an annual dataset and summarize. program define year use ../annual/morg`1' summarize clear end year 79 year 80 year 81 year 82 year 83 year 84 year 85 year 86 year 87 year 88 year 89 year 90 year 91 year 92 year 93 year 94 year 95 year 96