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 of issue | Theme | Composition | Issue price | Mintage |
| --- | --- | --- | --- | --- |
| 1997.0 | Hockey Hall of Fame Inductees Medallion Collection | Sterling Silver | $69.99 | 1,997 |
| 1997.0 | Hockey Hall of Fame Inductees Medallion Collection | Nickel | $19.95 | N/A |
| 1998.0 | Hockey Hall of Fame Inductees Medallion Collection | Sterling Silver | $89.99 | 1,998 |
| 1998.0 | Hockey Hall of Fame Inductees Medallion Collection | Nickel | $29.00 (set), $7.50 (individually) | N/A |
| 1999.0 | Hockey Hall of Fame Inductees Medallion Collection | Sterling Silver | $99.00 | 1,999 |
| 2001.0 | Hockey Hall of Fame Inductees Medallion Collection | Nickel | $29.95 | N/A |
Question:
How many years was the issue price $19.95?
Answer:
1.0