MANILA, Philippines - 2000: Year a law clearly legalizing prostitution in the Netherlands was passed. The law made prostitution subject to taxation and regulation.

150 euros: Estimated starting rate per hour of an escort service in Amsterdam. It is roughly equivalent to P10,000 (using the exchange rate of P64 to 1 euro)

68: Age of Dave Cummings, said to be one of the oldest active male porn star in the world

200+: Number of adult videos starring 73-year-old Shigeo Tokuda, Japan's leading man in the genre of elderly porn. Still active in this genre, Tokuda hopes to work until he's 80 or even older.

1972: Year the movie ?Deep Throat? was made, the first porn movie to go mainstream.

$600 million: Gross earnings of the movie ?Deep Throat.? Produced at a cost of only $25,000, it is considered the most profitable movie ever made.

$11 billion: Estimated total US sales of adult entertainment, including magazines, movies, telephone sex and the Internet, in 2001.

23: Average age when Malaysians lose their virginity. Malaysians are listed as the oldest group to lose their virginity, according to the study "The Global Face of Sex," compiled by Durex Network in 2007.

14.4: Percentage of 15- to 24 year-old women who are married in the Philippines, according to the Young Adult Fertility and Sexuality Study (YAFS 3) in 2002.

34.4: Percentage of Filipinos aged 15-24 who approve of males engaging in premarital sex, according to YAFS 3. Only 22.4 percent approve of females engaging in premarital sex.

2002: Year that actress Diana Zubiri posed as a scantily clad hitchhiker on the EDSA-Shaw flyover in Mandaluyong City, which earned her a lawsuit from then city mayor Benjamin Abalos.

10: Total number of sexual encounters depicted in the 1970 movie ?Uhaw.? The movie started the "bomba" (a genre concerned mainly with nudity and sex) trend in Philippine cinema.

Compiled by Schatzi Quodala, Inquirer Research
Sources: CCP Encyclopedia, PDI Archives, Forbes.com, Entertainment.ie, Independent.co.uk, CNN, davecummings.com, Amsterdam.info, MSNBC, Young Adult Fertility and Sexuality Study 3