Differences in Volunteer Rates from the United States

`Great Britain`	`-30%`	`-25%`	`-17%`	`-12%`
`Portugal`	`-28%`	`-18%`	`-11%`	`-04%*`
`France`	`-23%`	`-19%`	`-11%`	`00%`
`Italy`	`-23%`	`-10%`	`-01%*`	`00%*`
`N. Ireland`	`-21%`	`-15%`	`-06%`	`-07%`
`Austria`	`-21%`	`-18%`	`-12%`	`-01%*`
`Denmark`	`-21%`	`-20%`	`-18%`	`-07%`
`Ireland`	`-20%`	`-14%`	`-05%`	`-02%*`
`Belgium`	`-18%`	`-15%`	`-10%`	`01%*`
`West Germany`	`-16%`	`-11%`	`-06%`	`01%*`
`Iceland`	`-11%`	`-09%`	`-11%`	`-14%`
`Netherlands`	`-10%`	`-08%`	`-08%`	`-14%`
`Norway`	`-10%`	`-10%`	`-10%`	`-03%*`
`Sweden`	`-07%`	`-07%`	`-07%`	`-01%*`
`Canada`	`-03%*`	`-02%*`	`-01%*`	`00%*`
`R`	`3.58%`	`5.98%`	`26.52%`	`30.94%`
`Rattribute to country dummy variables`	`3.58%`¹⁰	`2.31%`¹¹	`1.90%`	`0.53%`