anno   jd   conc  
2013   270  12.0  
2013   271  11.0  
2013   272  9.0   
2013   273  5.0   
2013   274  6.0   
2013   275  7.0   
2013   276  9.0   
2013   277  14.0  
2013   278  6.0   
2013   279  2.0   
2013   280  4.0   
2013   281  4.0   
2013   282  4.0   
2013   283  4.0   
2013   284  6.0   
2013   285  5.0   
2013   286  8.0   
2013   287  11.0  
2013   288  13.0  
