It first took place in 1999, and has occurred annually since.
This occurs annually and is known to have started since 2004.
Since then, the festival has occurred annually in the third week of April.
Worldwide, the situation is far worse, with half a million new cases occurring annually.
The period lasts for approximately eight months and occurs annually.
Freezing temperatures occur on an average of 11.1 days annually.
From 2004 to 2009 the festival occurred annually and spanned 4-6 days.
And while most possible blood exposures cause no problem, it is estimated that over 500,000 still occur annually.
Major flooding occurs almost annually, causing a significant loss of life and property.
They then present the money to the society at the Relay, an overnight event that occurs annually.