Table:
text: Serena Williams
Women's doubles: 13 finals (13 titles)
Women's doubles: 13 finals (13 titles)
Outcome Year_ Championship Surface Partner Opponents Score
Winner 1999 French Open Clay Venus Williams Martina Hingis Anna Kournikova 6–3, 6–7 (2–7) , 8–6
Winner 1999 US Open Hard Venus Williams Chanda Rubin Sandrine Testud 4–6, 6–1, 6–4
Winner 2000 Wimbledon Grass Venus Williams Julie Halard-Decugis Ai Sugiyama 6–3, 6–2
Winner 2001 Australian Open Hard Venus Williams Lindsay Davenport Corina Morariu 6–2, 2–6, 6–4
Winner 2002 Wimbledon (2) Grass Venus Williams Virginia Ruano Pascual Paola Suárez 6–2, 7–5
Winner 2003 Australian Open (2) Hard Venus Williams Virginia Ruano Pascual Paola Suárez 4–6, 6–4, 6–3
Winner 2008 Wimbledon (3) Grass Venus Williams Lisa Raymond Samantha Stosur 6–2, 6–2

Question: What is the highest year for the US Open under Serena Williams among women's doubles 13 finals 13 titles?