Well, it only took a little bit of rote data entry, but I've got the March 2012 ridership numbers. Unfortunately, I can't post the file at the moment, but I can give a quick rundown of the percentages:
Acela: 1.10%
NER: 10.46%
NEC Total: 7.41%
Ethan Allen 9.92%
Vermonter 1.14%
ALB-TOR -2.32%
NYP-ALB 4.64%
NHV-SPG 8.91%
Adirondack 14.44%
Keystone 1.19%
Downeaster 4.05%
CHI-STL 9.42%
Hiawatha 5.16%
Wolverine 1.75%
Illini 5.15%
IL Zephyr 6.15%
Heartland Flyer 9.68%
Pac Surfliner 1.62%
Cascades 0.35%
Cap Corr 2.91%
San Joaquin 15.85%
Blue Water 10.07%
WAS-NPN 20.24%
WAS-LYH 31.68%
Hoosier State -5.32%
KCY-STL 11.96%
Penny 1.65%
Pere Marquette 9.62%
Carolinian -31.37%
Piedmont 38.77%
Shorts Total 4.75%
Silver Star 1.36%
Silver Meteor 5.98%
Palmetto -42.27%
Cardinal 13.59%
Empire Builder 13.38%
Capitol Ltd. -2.61%
CA Zephyr 5.51%
SW Chief -0.13%
City of NO 3.68%
TX Eagle 13.90%
Sunset Ltd. 0.04%
Coast Starlight 17.13%
Lake Shore Ltd. 4.01%
Crescent -0.78%
Auto Train 6.69%
LD Total 4.10%
Overall Total 5.62%
I'll post the full data table as soon as I can get it up here.
Acela: 1.10%
NER: 10.46%
NEC Total: 7.41%
Ethan Allen 9.92%
Vermonter 1.14%
ALB-TOR -2.32%
NYP-ALB 4.64%
NHV-SPG 8.91%
Adirondack 14.44%
Keystone 1.19%
Downeaster 4.05%
CHI-STL 9.42%
Hiawatha 5.16%
Wolverine 1.75%
Illini 5.15%
IL Zephyr 6.15%
Heartland Flyer 9.68%
Pac Surfliner 1.62%
Cascades 0.35%
Cap Corr 2.91%
San Joaquin 15.85%
Blue Water 10.07%
WAS-NPN 20.24%
WAS-LYH 31.68%
Hoosier State -5.32%
KCY-STL 11.96%
Penny 1.65%
Pere Marquette 9.62%
Carolinian -31.37%
Piedmont 38.77%
Shorts Total 4.75%
Silver Star 1.36%
Silver Meteor 5.98%
Palmetto -42.27%
Cardinal 13.59%
Empire Builder 13.38%
Capitol Ltd. -2.61%
CA Zephyr 5.51%
SW Chief -0.13%
City of NO 3.68%
TX Eagle 13.90%
Sunset Ltd. 0.04%
Coast Starlight 17.13%
Lake Shore Ltd. 4.01%
Crescent -0.78%
Auto Train 6.69%
LD Total 4.10%
Overall Total 5.62%
I'll post the full data table as soon as I can get it up here.