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:
| Greek national account | 1970 | 1980 | 1990 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 1 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 2 | 2014 2 | 2015 3 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Public revenue (% of GDP) | N/A | N/A | 31.0 | 37.0 | 37.8 | 39.3 | 40.9 | 41.8 | 43.4 | 41.3 | 40.6 | 39.4 | 38.4 | 39.0 | 39.2 | 40.7 | 40.7 | 38.3 | 40.6 | 42.4 | 44.7 | 43.5 | 43.9 | N/A |
| Public expenditure 4 (% of GDP) | N/A | N/A | 45.2 | 46.2 | 44.5 | 45.3 | 44.7 | 44.8 | 47.1 | 45.8 | 45.4 | 45.1 | 46.0 | 44.4 | 45.0 | 47.2 | 50.5 | 54.0 | 51.3 | 51.9 | 54.7 | 47.3 | 46.5 | N/A |
| Budget deficit 4 (% of GDP) | N/A | N/A | 14.2 | 9.1 | 6.7 | 5.9 | 3.9 | 3.1 | 3.7 | 4.5 | 4.8 | 5.7 | 7.6 | 5.5 | 5.7 | 6.5 | 9.8 | 15.6 | 10.7 | 9.5 | 10.0 | 3.8 | 2.6 | TBA |
| Structural deficit 5 (% of GDP) | N/A | N/A | 14.8 | 9.1 | 6.6 | 6.1 | 4.1 | 3.3 | 4.0 | 4.6 | 4.3 | 5.6 | 7.8 | 5.3 | 6.8 | 7.9 | 9.6 | 14.8 | 8.8 | 5.4 | 1.0 | -2.0 | -2.0 | N/A |
| HICP inflation (annual %) | N/A | N/A | N/A | 8.9 | 7.9 | 5.4 | 4.5 | 2.1 | 2.9 | 3.7 | 3.9 | 3.4 | 3.0 | 3.5 | 3.3 | 3.0 | 4.2 | 1.3 | 4.7 | 3.1 | 1.0 | -0.8 | -0.4 | N/A |
| GDP deflator 6 (annual %) | 3.8 | 19.3 | 20.7 | 9.8 | 7.3 | 6.8 | 5.2 | 3.0 | 3.4 | 3.1 | 3.4 | 3.9 | 2.9 | 2.8 | 2.4 | 3.3 | 4.7 | 2.3 | 1.1 | 1.0 | -0.8 | -1.1 | -0.4 | TBA |
| Real GDP growth 7 (%) | 8.9 | 0.7 | 0.0 | 2.1 | 2.4 | 3.6 | 3.4 | 3.4 | 4.5 | 4.2 | 3.4 | 5.9 | 4.4 | 2.3 | 5.5 | 3.5 | −0.2 | −3.1 | −4.9 | −7.1 | −6.4 | -4.2 | 0.6 | TBA |
| Public debt 8 (billion €) | 0.2 | 1.5 | 31.1 | 86.9 | 97.8 | 105.2 | 111.9 | 118.6 | 141.0 | 151.9 | 159.2 | 168.0 | 183.2 | 195.4 | 224.2 | 239.3 | 263.3 | 299.7 | 329.5 | 355.2 | 303.9 | 321.5 | 322.2 | TBA |
Question:
What is the greek national account when 1997 is 6.1?
Answer:
Structural deficit 5 (% of GDP)