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 | No. | Date | Tournament | Surface | Opponent in the final | Score |
| --- | --- | --- | --- | --- | --- | --- |
| Runner–up | 1. | 2 September 2001 | Mostar | Clay | Adriana Basaric | 4–6, 3–6 |
| Winner | 1. | 27 January 2002 | Courmayeur | Hard | Stefanie Weis | 4–6, 7–6(7–3), 6–4 |
| Winner | 2. | 17 February 2002 | Bergamo | Hard | Rita Degli-Esposti | 6–1, 6–2 |
| Runner–up | 2. | 31 March 2002 | Rome – Parioli | Clay | Dinara Safina | 7–6(7–3), 2–6, 3–6 |
| Runner–up | 3. | 23 June 2002 | Gorizia | Clay | Ainhoa Goni-Blanco | 6–7(4–7), 1–6 |
| Runner–up | 4. | 11 August 2002 | Rimini | Clay | Laurence Andretto | 5–7, 4–6 |
| Winner | 3. | 26 January 2003 | Grenoble | Hard | Sophie Lefèvre | 7–5, 7–5 |
| Winner | 4. | 16 February 2003 | Southampton | Hard | Magdalena Zděnovcová | 6–1, 3–0, ret. |
| Winner | 5. | 23 February 2003 | Redbridge | Hard | Olga Barabanschikova | 6–3, 6–2 |
| Winner | 6. | 23 March 2003 | Castellon | Clay | Ľudmila Cervanová | 6–3, 6–3 |
| Winner | 7. | 2 November 2003 | Poitiers | Hard | Roberta Vinci | 6–4, 7–5 |
| Winner | 8. | 1 March 2009 | Biberach | Hard | Kirsten Flipkens | 6–1, 6–2 |
| Winner | 9. | 11 April 2009 | Torhout | Hard | Viktoriya Kutuzova | 6–1, 6–4 |
| Winner | 10. | 11 April 2009 | Mestre | Hard | Yvonne Meusburger | 2–6, 6–2, 6–4 |
Question:
how many times was the surface clay?
Answer:
5