| 2018-11-01     -    
Continuous
|
1/1   -  
12/31
|
60 RT/MN |
| 2016-05-01     -    
2018-10-31
|
1/1   -  
12/31
|
50 RT/MN |
| 2010-07-01     -    
2016-04-30
|
1/1   -  
12/31
|
40 RT/MN |
| 2004-08-01     -    
2010-06-30
|
1/1   -  
12/31
|
30 RT/MN |
| 1991-01-01     -    
2004-07-31
|
1/1   -  
12/31
|
15 RT/MN |