9/11 by the numbers

Total number killed in attacks in New York: 2,753

Number of firefighters and paramedics killed:343

Number of NYPD officers: 23

Number of Port Authority police officers: 37

Number of WTC companies in the towers that lost people: 128

Number of employees who died in Tower One: 1,402

Number of employees who died in Tower Two: 614

Estimated amount of insurance paid worldwide related to 9/11: $40.2 billion

Estimated amount of money raised for funds dedicated to NYPD and FDNY families: $500 million

Average benefit already received by each FDNY and NYPD widow: $1 million

Number of mentions of 9/11 at the 2002 Oscars: 26

Number of Americans who changed their 2001 holiday-travel plans from plane to train or car: 1.4 million

Estimated number of New Yorkers suffering from post-traumatic-stress disorder as a result of 9/11: 422,000

Watch Dave Letterman on his first show back after 9/11.  You can hear it in his voice..the emotion, the rawness of that event. Powerful.