16th HIPS 2011   May 20, 2011, Anchorage, Alaska, USA.
15th HIPS 2010   April 19-23, 2010, Atllanta, GA, USA.
- 14th HIPS 2009   May 25, 2009, Rome, Italy.
13th HIPS 2008   April 14, 2008, Miami, FL, USA.
12th HIPS 2007   March 26, 2007, Long Beach, California, USA.
11th HIPS 2006   April 25, 2006, Rhodes Island, Greece.
- 10th HIPS 2005   April 4, 2005, Denver, Colorado, USA.
9th HIPS 2004     April 26, 2004, Santa Fe, New Mexico, USA.
8th HIPS 2003     April 22, 2003, Nice, France.
- 7th HIPS 2002     April 15, 2002, Fort Lauderdale, FL, USA.
- 6th HIPS 2001     April 23, 2001, San Francisco, CA, USA.
- 5th HIPS 2000     May 1, 2000, Cancun, Mexico.
- 4th HIPS 1999     April 12, 1999, San Juan, Puero Rico, USA.
- 3rd HIPS 1998     March 30, 1998, Orlando, FL, USA.
- 2nd HIPS 1997    April 1, 1997, Geneva, Switzerland.
- 1st HIPS 1996     April 16, 1996, Honolulu, HI, USA.