She has recorded more than thirty albums since she had her first number one song on the country music charts.

VOA: special.2010.02.22

It has been more than two years since he has been to a hospital emergency room because of asthma.

VOA: special.2009.07.28

It would also depend on the building materials used since some materials are less resistant to heat than others.

VOA: special.2010.03.02

More than six hundred fifty million people have visited the Mall of America since it opened eighteen years ago.

VOA: special.2010.08.13

Last year was the first year since two thousand four that Hawaii has had fewer than seven million visitors.

VOA: special.2009.03.02

Since nineteen fifty-three, more than ten thousand people have attempted to climb to the top of the world's highest mountain.

VOA: special.2010.06.30

Major banks have been doing well since the worst of the financial crisis shook Wall Street more than a year ago.

VOA: special.2009.12.18

More than fifty million copies of Doctor Spock's "Baby and Child Care" book have been sold since it was published.

VOA: special.2009.03.15

The United States has lost more than three and a half million jobs since the recession began more than a year ago.

VOA: special.2009.02.28

Fewer than one hundred thousand American troops are in Iraq for the first time since the invasion seven years ago next week.

VOA: special.2010.03.13

Since April,more than one thousand deaths have been reported from the H1N1 virus, commonly called swine flu.

VOA: special.2009.08.05

Since then it has shipped more than forty thousand bikes to communities in Africa, Latin America and the Caribbean, says director Keith Oberg.

VOA: special.2009.11.16

For example, the numbers of many wetland birds have recovered since measures were taken to protect more than twelve million hectares of wetlands.

VOA: special.2009.05.12

The Department of Agriculture says that is up by more than 40% since the year 2000.

VOA: special.2009.01.28

That was eight percent higher than the year before, the largest percentage increase since nineteen eighty.

VOA: special.2009.11.26

Drug-related violence in Mexico has killed more than seven thousand people since the beginning of last year -- often with guns bought in the United States.

VOA: special.2009.04.18

Everything is gone." It has been more than a century since a German doctor, Alois Alzheimer,told about a dementia patient whose brain was studied after death.

VOA: special.2009.09.15

Since then,it has received more than one hundred seventy billion dollars in government aid.

VOA: special.2009.03.20