|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical insulators, of glass | $1,739,000 | $910,000 | $796,000 | $471,000 | $191,000 | $244,000 | $86,000 |
| Electrical insulators, of ceramics | $2,130,000 | $1,871,000 | $2,038,000 | $3,530,000 | $4,098,000 | $5,034,000 | $6,643,000 |
| Electrical insulators of any mat. other than glass & ceramics | $10,683,000 | $15,025,000 | $12,407,000 | $19,016,000 | $14,369,000 | $20,420,000 | $24,844,000 |
| Total | $14,552,000 | $17,806,000 | $15,241,000 | $23,017,000 | $18,658,000 | $25,698,000 | $31,573,000 |
|
|
