The initial numbers are indelible: 8:46 a.m. and 9:02 a.m. Time the burning towers stood: 56 minutes and 102 minutes. Time they took to fall: 12 seconds. From there, they ripple out.

* Total number killed in attacks (official figure as of 9/5/02): 2,819

* Number of firefighters and paramedics killed: 343

* Number of NYPD officers: 23

* Number of Port Authority police officers: 37

* Number of WTC companies that lost people: 60

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

* Number of employees who died in Tower Two: 614

* Number of employees lost at Cantor Fitzgerald: 658

* Number of U.S. troops killed in Operation Enduring Freedom: 22

* Number of nations whose citizens were killed in attacks: 115

* Ratio of men to women who died: 3:1

* Age of the greatest number who died: between 35 and 39

* Bodies found "intact": 289

* Body parts found: 19,858

* Number of families who got no remains: 1,717

* Estimated units of blood donated to the New York Blood Center: 36,000

* Total units of donated blood actually used: 258

* Number of people who lost a spouse or partner in the attacks: 1,609

* Estimated number of children who lost a parent: 3,051

* Percentage of Americans who knew someone hurt or killed in the attacks: 20

* FDNY retirements, January�July 2001: 274

* FDNY retirements, January�July 2002: 661

* Number of firefighters on leave for respiratory problems by January 2002: 300

* Number of funerals attended by Rudy Giuliani in 2001: 200

* Number of FDNY vehicles destroyed: 98

* Tons of debris removed from site: 1,506,124

* Days fires continued to burn after the attack: 99

* Jobs lost in New York owing to the attacks: 146,100

* Days the New York Stock Exchange was closed: 6

* Point drop in the Dow Jones industrial average when the NYSE reopened: 684.81

* Days after 9/11 that the U.S. began bombing Afghanistan: 26

* Total number of hate crimes reported to the Council on American-Islamic Relations nationwide since 9/11: 1,714

* Economic loss to New York in month following the attacks: $105 billion

* Estimated cost of cleanup: $600 million

* Total FEMA money spent on the emergency: $970 million

* Estimated amount donated to 9/11 charities: $1.4 billion

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

* Estimated amount of money needed to overhaul lower-Manhattan subways: $7.5 billion

* Amount of money recently granted by U.S. government to overhaul lower-Manhattan subways: $4.55 billion

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

* Percentage of total charity money raised going to FDNY and NYPD families: 25

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

* Percentage increase in law-school applications from 2001 to 2002: 17.9

* Percentage increase in Peace Corps applications from 2001 to 2002: 40

* Percentage increase in CIA applications from 2001 to 2002: 50

* Number of songs Clear Channel Radio considered "inappropriate" to play after 9/11: 150

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

* Apartments in lower Manhattan eligible for asbestos cleanup: 30,000

* Number of apartments whose residents have requested cleanup and testing: 4,110

* 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

http://nymag.com/news/articles/wtc/1year/numbers.htm