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:
| Tournament | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | Career SR | Career W-L |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Australian Open | A | A | 1R | QF | A | 2R | 1R | 1R | 2R | QF | QF | 3R | QF | W | SF | SF | 3R | 3R | A | 1 / 15 | 33–14 |
| French Open | A | A | 1R | A | 1R | 1R | 2R | 3R | 3R | 3R | 3R | 2R | QF | 1R | 2R | 2R | QF | QF | A | 0 / 15 | 19–15 |
| Wimbledon | A | LQ | 1R | 1R | A | 1R | 2R | 3R | 1R | 1R | 2R | 3R | QF | SF | QF | 2R | F | QF | 1R | 0 / 16 | 24–16 |
| US Open | A | A | 1R | A | A | 1R | 2R | 1R | 1R | W | QF | 3R | QF | SF | SF | SF | 2R | 2R | A | 1 / 14 | 29–13 |
| Grand Slam W-L | 0–0 | 0–0 | 0–4 | 3–2 | 0–1 | 1–4 | 3–4 | 4–4 | 2–4 | 11–3 | 9–4 | 7–4 | 12–4 | 14–3 | 12–4 | 10–4 | 8–4 | 9–4 | 0–1 | 2 / 60 | 105–58 |
| Indian Wells | A | A | SF | LQ | A | A | A | 2R | 1R | 1R | QF | 2R | F | QF | 1R | QF | QF | 1R | A | 0 / 12 | 16–12 |
| Miami | A | A | 2R | 1R | A | A | 2R | 2R | 3R | 3R | 3R | 2R | W | F | SF | QF | 2R | QF | A | 1 / 14 | 23–13 |
| Monte Carlo | A | A | A | A | A | A | A | 2R | 1R | 1R | A | SF | A | A | A | SF | SF | 2R | A | 0 / 7 | 7–7 |
| Rome | A | A | A | A | A | A | A | 1R | A | 1R | F | 2R | QF | 2R | QF | QF | SF | SF | A | 0 / 10 | 11–10 |
| Madrid (Stuttgart) | A | A | A | A | A | A | 1R | 1R | 2R | 2R | 2R | F | A | SF | SF | 2R | SF | SF | A | 0 / 11 | 11–11 |
| Canada | A | A | A | A | A | A | 1R | 2R | 2R | 2R | 2R | 1R | 2R | W | F | F | QF | 2R | A | 1 / 12 | 14–11 |
| Cincinnati | A | LQ | LQ | A | A | 1R | 1R | 1R | 1R | 1R | 2R | 1R | 2R | F | 2R | QF | 2R | 2R | A | 0 / 13 | 5–13 |
| Shanghai | Not Held | Not Held | Not Held | Not Held | Not Held | Not Held | Not Held | Not Held | Not Held | Not Held | Not Held | Not Held | Not Held | Not Held | Not Held | Not Held | Not Held | 2R | A | 0 / 1 | 0–1 |
| Paris | A | A | A | A | A | A | QF | 1R | 1R | SF | 2R | QF | F | SF | 1R | QF | W | 2R | A | 1 / 12 | 16–11 |
| Hamburg | A | A | A | A | A | A | A | 2R | A | 2R | 1R | 2R | W | 2R | W | F | 2R | NME | NME | 2 / 9 | 13–7 |
| Masters W-L | 0–0 | 0–0 | 4–2 | 0–1 | 0–0 | 0–1 | 3–5 | 4–9 | 3–7 | 5–9 | 9–8 | 8–9 | 17–5 | 17–7 | 12–7 | 14–9 | 13–8 | 7–9 | 0–0 | 5 / 101 | 116–96 |
| Year End Ranking | 235 | 135 | 91 | 158 | 103 | 92 | 35 | 26 | 34 | 13 | 11 | 18 | 9 | 6 | 8 | 10 | 8 | 24 | – | – | – |
Question:
how many locations were listed in total?
Answer:
14