Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Outcome | Year | Location | Surface | Partner | Opponents | Score |
| --- | --- | --- | --- | --- | --- | --- |
| Winner | 1981 | New York City | Carpet (I) | Martina Navrátilová | Barbara Potter Sharon Walsh | 6–0, 7–6(6) |
| Winner | 1982 | New York City | Carpet (I) | Martina Navratilova | Kathy Jordan Anne Smith | 6–4, 6–3 |
| Winner | 1983 | New York City | Carpet (I) | Martina Navratilova | Claudia Kohde-Kilsch Eva Pfaff | 7–5, 6–2 |
| Winner | 1984 | New York City | Carpet (I) | Martina Navratilova | Jo Durie Ann Kiyomura | 6–3, 6–1 |
| Winner | 1985 | New York City | Carpet (I) | Martina Navratilova | Claudia Kohde-Kilsch Helena Suková | 6–7(4), 6–4, 7–6(5) |
| Winner | 1986 (Nov) | New York City | Carpet (I) | Martina Navratilova | Claudia Kohde-Kilsch Helena Suková | 1–6, 6–1, 6–1 |
| Winner | 1987 | New York City | Carpet (I) | Martina Navratilova | Claudia Kohde-Kilsch Helena Suková | 6–1, 6–1 |
| Winner | 1988 | New York City | Carpet (I) | Martina Navratilova | Larisa Savchenko Natalia Zvereva | 6–3, 6–4 |
| Winner | 1989 | New York City | Carpet (I) | Martina Navratilova | Larisa Savchenko Natalia Zvereva | 6–3, 6–2 |
Question:
How many partners were there in 1988?
Answer:
1.0