1           2008-12-23.33  
 2           2008-12-28.37  
 3           2008-12-30.37  
 4           2008-12-31.37  
 5           2009-01-02.37  
 6           2009-01-07.36  
 7           2009-01-10.31  
 8           2009-01-11.35  
 9           2009-01-14.41  
10           2009-01-15.34  
11           2009-01-18.32  
12           2009-01-21.32  
13           2009-01-25.30  
14           2009-01-26.29  
15           2009-02-01.28  
16           2009-02-02.33  
17           2009-02-05.30  
18           2009-02-06.25  
19           2009-02-13.25  
20           2009-02-14.25  
21           2009-02-19.25  
22           2009-02-25.22  
23           2009-02-27.23  
24           2009-03-03.23  
25           2009-03-11.20  
26           2009-03-12.22  
27           2009-03-17.21  
28           2009-03-19.22  
29           1982-03-14.22  Debehogne et al. (1983) 
30           1982-03-15.20  Debehogne et al. (1983) 
31           1982-03-16.19  Debehogne et al. (1983) 
32           1990-10-12.17  Hainaut-Rouelle et al. (1995) 
33           1990-10-13.16  Hainaut-Rouelle et al. (1995) 
34           2012-09-16.33  
35           2012-09-17.33  
36  1998-02-14--2011-11-16  Lowell