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:
| Year | Competition | Date | Location | Opponent | Score | Result |
| --- | --- | --- | --- | --- | --- | --- |
| 1990 | World Group, 1st Round | 2–4 Feb | Barcelona (ESP) | Spain | 3–2 | Win |
| 1990 | World Group, Quarterfinals | 30 Mar – 2 Apr | Vienna (AUT) | Italy | 5–0 | Win |
| 1990 | World Group, Semifinals | 21–23 Sep | Vienna (AUT) | United States | 2–3 | Loss |
| 1991 | World Group, 1st Round | 1–3 Feb | Prague (TCH) | Czechoslovakia | 1–4 | Loss |
| 1991 | World Group, Relegation Play-offs | 20–22 Sep | Manchester (GBR) | Great Britain | 1–3 | Loss |
| 1992 | Euro/African Zone Group I, 1st Round | BYE | BYE | BYE | BYE | BYE |
| 1992 | Euro/African Zone Group I, Semifinals | 1–3 May | Helsinki (FIN) | Finland | 4–1 | Win |
| 1992 | World Group, Relegation Play-offs | 25–27 Sep | Vancouver (CAN) | Canada | 3–1 | Win |
| 1993 | World Group, 1st Round | 26–28 Mar | Vienna (AUT) | France | 1–4 | Loss |
| 1993 | World Group, Relegation Play-offs | 24–26 Sep | Christchurch (NZL) | New Zealand | 3–2 | Win |
| 1994 | World Group, 1st Round | 26–28 Mar | Graz (AUT) | Germany | 2–3 | Loss |
| 1994 | World Group, Relegation Play-offs | 23–25 Sep | Montevideo (URU) | Uruguay | 3–2 | Win |
| 1995 | World Group, 1st Round | 3–5 Feb | Vienna (AUT) | Spain | 4–1 | Win |
| 1995 | World Group, Quarterfinals | 31 Mar – 2 Apr | Växjö (SWE) | Sweden | 0–5 | Loss |
| 1996 | World Group, 1st Round | 9–12 Feb | Johannesburg (RSA) | South Africa | 2–3 | Loss |
| 1996 | World Group, Relegation Play-offs | 20–22 Sep | São Paulo (BRA) | Brazil | 1–4 | Loss |
| 1997 | Euro/African Zone Group I, 1st Round | BYE | BYE | BYE | BYE | BYE |
| 1997 | Euro/African Zone Group I, Semifinals | 4–6 Apr | Graz (AUT) | Croatia | 3–2 | Win |
| 1997 | World Group, Relegation Play-offs | 19–21 Sep | Harare (ZIM) | Zimbabwe | 2–3 | Loss |
| 1998 | Euro/African Zone Group I, Quarterfinals | 3–5 Apr | Ramat HaSharon (ISR) | Israel | 1–4 | Loss |
| 1998 | Euro/African Zone Group I, Relegation Play-offs | 25–27 Sep | Pörtschach (AUT) | Denmark | 5–0 | Win |
| 1999 | Euro/African Zone Group I, Quarterfinals | 2–4 Apr | Wels (AUT) | Portugal | 4–1 | Win |
| 1999 | World Group, Relegation Play-offs | 24–26 Sep | Pörtschach (AUT) | Sweden | 3–2 | Win |
Question:
in what year did they score the least amount of goals?
Answer:
1991