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56 � Transportation Statistics Annual Report 1996<br />

$20,000<br />

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�� 1977 1979 1981 1983 1985 1987 1989 1991 1994<br />

SOURCE: Based on data from the Volpe National Transportation Systems Center.<br />

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FIGURE 2-7: TRANSPORTATION TRUST FUND REVENUES, 1977–94<br />

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FIGURE 2-8: TRANSPORTATION TRUST FUND REVENUES, 1977–94<br />

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1977 1979 1981 1983 1985 1987 1989 1991 1994<br />

SOURCE: Based on data from the Volpe National Transportation Systems Center.<br />

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Fund declined by 68 percent from $18.9 billion<br />

to $6.1 billion over this period. The transit<br />

account balance stood at $7.7 billion in 1994 (in<br />

1987 dollars) (see figure 2-9). In current dollars<br />

the total balance in the two trust funds rose from<br />

$13.4 billion in 1977 to $30.4 billion in 1994<br />

(see figure 2-10).<br />

(MILLIONS OF CONSTANT 1987 DOLLARS)<br />

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(MILLIONS OF CURRENT DOLLARS)<br />

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Employment<br />

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Transportation employment can be analyzed<br />

from either an industry or occupation perspective.<br />

For example, transportation occupations<br />

include vehicle operators in any industry. From<br />

an industry perspective, vehicle operators are

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