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 | Score |
| --- | --- | --- | --- | --- | --- | --- |
| Runner-up | 1. | 23 August 2004 | La Paz, Bolivia | Clay | Jenifer Widjaja | 6–3, 4–6, 0–6 |
| Runner-up | 2. | 6 June 2005 | Santa Tecla, El Salvador | Clay | Andrea Benítez | 3–6, 0–6 |
| Runner-up | 2. | 22 August 2005 | Bogotá, Colombia | Clay | Carla Tiene | 4–6, 0–6 |
| Runner-up | 4. | 15 May 2006 | Ciudad Obregón, Mexico | Hard | Ellah Nze | 6–4, 3–6, 3–6 |
| Winner | 1. | 5 June 2006 | Xalapa, Mexico | Hard | María Irigoyen | 6–1, 3–6, 6–4 |
| Winner | 2. | 7 September 2009 | Mazatlán, Mexico | Hard | Fernanda Hermenegildo | 6–1, 6–2 |
| Winner | 3. | 2 November 2009 | Bogotá, Colombia | Clay | Yuliana Lizarazo | 7–6(7–5), 6–4 |
| Runner-up | 5. | 16 November 2009 | Asunción, Paraguay | Clay | Paula Ormaechea | 6–4, 4–6, 2–6 |
| Winner | 4. | 8 November 2010 | Bogotá, Colombia | Clay | Patricia Kú Flores | 6–1, 7–5 |
| Winner | 5. | 29 November 2010 | Santiago, Chile | Clay | Verónica Cepede Royg | 6–2, 6–2 |
| Winner | 6. | 18 July 2011 | Ribeirão Preto, Brazil | Clay | Vivian Segnini | 6–2, 6–2 |
| Runner-up | 6. | 8 August 2011 | Santa Cruz de la Sierra, Bolivia | Clay | María Irigoyen | 2–6, 3–6 |
| Winner | 7. | 15 August 2011 | La Paz, Bolivia | Clay | María Irigoyen | 6–0, 7–6(7–1) |
| Runner-up | 7. | 3 October 2011 | Yerevan, Armenia | Clay | Julia Cohen | 6–7(6–8), 2–6 |
| Runner-up | 8. | 19 March 2012 | Bangalore, India | Hard | Donna Vekić | 2–6, 4–6 |
| Runner-up | 9. | 8 May 2012 | Brasília, Brazil | Clay | Gabriela Paz | 3–6, 3–6 |
| Winner | 8. | 19 November 2012 | Barranquilla, Colombia | Clay | Karolina Nowak | 7–6(7–4), 6–0 |
| Winner | 9. | 21 October 2013 | Bogotá, Colombia | Hard | Anna Katalina Alzate Esmurzaeva | 6–3, 6–3 |
| Winner | 10. | 11 November 2013 | Lima, Peru | Clay | Patricia Kú Flores | 7–5, 6–7(4–7), 6–2 |
| Winner | 11. | 25 November 2013 | Bogotá, Colombia | Clay | Naomi Totka | 6–1, 6–1 |
| Runner-up | 10. | 2 December 2013 | Barranquilla, Colombia | Clay | María Fernanda Herazo | 4–6, 2–6 |
Question:
which surface was played on the least?
Answer:
Hard