11-13 April 1997 11-13 April 1997

18-20 April 1997 18-20 April 1997

02-04 May 1997 02-04 May 1997

16-18 May 1997 16-18 May 1997

30 May - 01 June 1997 30 May - 01 June 1997

06-08 June 1997 06-08 June 1997

26-28 June 1997 26-28 June 1997

04-06 July 1997 04-06 July 1997

18-20 July 1997 18-20 July 1997

01-03 August 1997 01-03 August 1997

15-17 August 1997 15-17 August 1997

29-31 August 1997 29-31 August 1997

12-14 September 1997 12-14 September 1997

26-28 September 1997 26-28 September 1997

03-05 October 1997 03-05 October 1997