The graph demonstrates how many 
tonnes
 of goods were transported in the UK by four separate forms of transport from 1972 to 2000. 
Use synonyms
Overall
, Linking Words
it is clear that
 the highest tonnage of goods was distributed by road during the period. Linking Words
Conversely
, Linking Words
pipeline
 was the conveyance method which carried the lowest weight throughout.
Focusing on water and rail as means of transport, these distributed 39 Add an article
the pipeline
a pipeline
million
 Use synonyms
tonnes
 and 40 Use synonyms
million
 Use synonyms
tonnes
 of goods respectively in 1972. By 1976, their 
figures were identical at 40 Use synonyms
million
 Use synonyms
tonnes
, after which water conveyance increased considerably as rail transportation fell. Rail distribution eventually recovered following some fluctuation to 41 Use synonyms
million
 Use synonyms
tonnes
 transported in 2000. Meanwhile, transport via water levelled out around 59 Use synonyms
million
 Use synonyms
tonnes
 before dipping in 1996 and Use synonyms
then
 rising to 62 Linking Words
million
 in 2000.
As for haulage via road and pipeline, the former rose from 72 Use synonyms
million
 Use synonyms
tonnes
 in 1972 to about 98 Use synonyms
million
 in 2000, Use synonyms
while
 the latter began at 2 Linking Words
million
 Use synonyms
tonnes
 before growing by 20 Use synonyms
million
 over the next twenty years, remaining at approximately 22 Use synonyms
million
 until the century’s end.Use synonyms