Table:
text: Estonian National Badminton Championships
Past winners
Past winners
Year_ Mens_singles Womens_singles Mens_doubles Womens_doubles Mixed_doubles
1994 Heiki Sorge Liia Dubkovskaja Raul Tikk Einar Veede Mari Toomingas Kairi Viilup Raul Tikk Anneli Parts
1995 Heiki Sorge Liia Dubkovskaja Raul Tikk Einar Veede Mari Toomingas Liia Dubkovskaja Raul Tikk Anneli Parts
1996 Heiki Sorge Kelli Vilu Raul Tikk Einar Veede Kelli Vilu Kati Kraaving Einar Veede Mare Pedanik
1997 Heiki Sorge Kelli Vilu Heiki Sorge Meelis Maiste Piret Kärt Liia Dubkovskaja Einar Veede Maare Pedanik
1998 Heiki Sorge Kairi Saks Meelis Maiste Indrek Kuuts Kelli Vilu Kati Kraaving Meelis Maiste Kairi Saks
1999 Heiki Sorge Piret Hamer Heiki Sorge Peeter Munitson Kairi Saks Eve Jugandi Meelis Maiste Kairi Saks

Question: How many years did men's doubles player Heiki Sorge meelis maiste play in Estonian national badminton championships?