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. | 1 August 2011 | São Paulo, Brazil | Clay | Maria Fernanda Alves | 6–4, 5–7, 3–6 |
| Winner | 1. | 24 October 2011 | Goiânia, Brazil | Clay | Bárbara Luz | 6–2, 6–0 |
| Winner | 2. | 2 April 2012 | Ribeirão Preto, Brazil | Hard | Natasha Fourouclas | 6–0, 6–1 |
| Winner | 3. | 25 March 2013 | Ribeirão Preto, Brazil | Clay | Andrea Benítez | 7–6(7–2), 6–2 |
| Winner | 4. | 15 April 2013 | Antalya 15, Turkey | Hard | Tereza Martincová | 6–4, 6–3 |
| Runner-up | 2. | 20 May 2013 | Caserta, Italy | Clay | Renata Voráčová | 4–6, 1–6 |
| Runner-up | 3. | 17 June 2013 | Lenzerheide, Switzerland | Clay | Laura Siegemund | 2–6, 3–6 |
Question:
how long from the first date listed to the last date listed?
Answer:
2 years