Table:
text: Luxembourgian National Badminton Championships
Past winners
Past winners
Year_ Men_s_singles Women_s_singles Men_s_doubles Women_s_doubles Mixed_doubles
1996 Christian Wagener Martine Ludwig Marc Stolwijk Marc Engelmann Martine Ludwig Angele Da Cruz Tom Merker Angele Da Cruz
1997 Tom Merker Mireille Kosmala Marc Engelmann Daniel Ruppert Mireille Kosmala Mireille Lang Yves Olinger Anne-Marie Nau
1998 Tom Merker Nicole Wagner Yves Olinger Michael D`Onghia Sonja Deckenbrunnen Monique Ludovicy Yves Olinger Anne-Marie Nau
1999 Yves Olinger Nicole Wagner Yves Olinger Michael D`Onghia Nicole Wagner Mireille Kosmala Marc Stollwijk Mireille Kosmala
2000 Yves Olinger Mireille Kosmala Tom Merker Christian Wagener Gaby Weissen Mireille Kosmala Yves Olinger Anne-Marie Nau
2001 Yves Olinger Anne-Marie Nau Yves Olinger Michael D`Onghia Nicole Wagner Gaby Weissen Marc Schintgen Gaby Weissen

Question: What is the total number of years for Gaby Weissen Mireille Kosmala in the Luxembourg national badminton championships?