But that is still better than the 12.15 percent average decline for emerging-markets funds.

The average decline for the other 17 Dow stocks is 34 percent.

The survey found an average annual decline of 1 percent to 2 percent a year.

Of those that fell, the average decline was 8.6 percent.

After the 1990s, the population showed an average decline of about 0.3% per year, caused by emigration.

The average decline in energy intensity from 2000 to 2008 was 2.0 percent.

The average decline in the segregation index for all cities was 6.

"There was a 20 percent average decline at the opening, but some issues are starting to recover."

Further adjustments produced an an overall average decline of 22.3 percent.

The study, based on data from 26 leading private banks, showed an 8 percent average decline in client assets.